diff --git a/apps/hash-ai-worker-ts/package.json b/apps/hash-ai-worker-ts/package.json
index d3e30391e97..147d9733abf 100644
--- a/apps/hash-ai-worker-ts/package.json
+++ b/apps/hash-ai-worker-ts/package.json
@@ -90,7 +90,7 @@
     "sanitize-html": "2.14.0",
     "tsconfig-paths-webpack-plugin": "4.2.0",
     "tsx": "4.19.3",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "devDependencies": {
     "@local/eslint": "0.0.0-private",
@@ -108,7 +108,7 @@
     "@vitest/coverage-istanbul": "3.0.7",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vitest": "3.0.7",
     "wait-on": "8.0.2"
   }
diff --git a/apps/hash-api/package.json b/apps/hash-api/package.json
index 06c58e5887b..5ccbde48c23 100644
--- a/apps/hash-api/package.json
+++ b/apps/hash-api/package.json
@@ -102,7 +102,7 @@
     "openai": "4.86.1",
     "ts-json-schema-generator": "1.5.1",
     "tsx": "4.19.3",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "ws": "8.18.1"
   },
   "devDependencies": {
@@ -127,7 +127,7 @@
     "@vitest/coverage-istanbul": "3.0.7",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vitest": "3.0.7",
     "wait-on": "8.0.2"
   }
diff --git a/apps/hash-frontend/package.json b/apps/hash-frontend/package.json
index f9874e101af..d166df6021e 100644
--- a/apps/hash-frontend/package.json
+++ b/apps/hash-frontend/package.json
@@ -152,7 +152,7 @@
     "graphology-types": "0.24.8",
     "rimraf": "6.0.1",
     "sass": "1.85.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "wait-on": "8.0.2",
     "webpack": "5.98.0"
   }
diff --git a/apps/hash-integration-worker/package.json b/apps/hash-integration-worker/package.json
index 310c91fad41..644082deb82 100644
--- a/apps/hash-integration-worker/package.json
+++ b/apps/hash-integration-worker/package.json
@@ -37,7 +37,7 @@
     "axios": "1.8.1",
     "dotenv-flow": "3.3.0",
     "tsx": "4.19.3",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "devDependencies": {
     "@local/eslint": "0.0.0-private",
@@ -46,7 +46,7 @@
     "@types/dotenv-flow": "3.3.3",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "wait-on": "8.0.2"
   }
 }
diff --git a/apps/hash-realtime/package.json b/apps/hash-realtime/package.json
index f48104ad857..46e7f6760e4 100644
--- a/apps/hash-realtime/package.json
+++ b/apps/hash-realtime/package.json
@@ -19,7 +19,7 @@
     "set-interval-async": "2.0.3",
     "slonik": "24.2.0",
     "tsx": "4.19.3",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "devDependencies": {
     "@local/eslint": "0.0.0-private",
@@ -27,6 +27,6 @@
     "@types/node": "22.13.9",
     "@types/set-interval-async": "1.0.3",
     "eslint": "9.20.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/apps/hash-search-loader/package.json b/apps/hash-search-loader/package.json
index 4b9681ea61b..dec4f49bbb8 100644
--- a/apps/hash-search-loader/package.json
+++ b/apps/hash-search-loader/package.json
@@ -19,13 +19,13 @@
     "@local/hash-isomorphic-utils": "0.0.0-private",
     "hot-shots": "8.5.2",
     "tsx": "4.19.3",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "devDependencies": {
     "@local/eslint": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
     "@types/node": "22.13.9",
     "eslint": "9.20.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/apps/hashdotdev/package.json b/apps/hashdotdev/package.json
index e0dd5949160..afcf553d18d 100644
--- a/apps/hashdotdev/package.json
+++ b/apps/hashdotdev/package.json
@@ -59,7 +59,7 @@
     "remark-parse": "10.0.2",
     "sharp": "0.33.5",
     "slugify": "1.6.6",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "unified": "10.1.2",
     "unist-util-visit": "4.1.2"
   },
@@ -83,6 +83,6 @@
     "eslint": "9.20.1",
     "execa": "7.2.0",
     "tsx": "4.19.3",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/apps/plugin-browser/package.json b/apps/plugin-browser/package.json
index 418059fa1fe..1c71cd60b5d 100755
--- a/apps/plugin-browser/package.json
+++ b/apps/plugin-browser/package.json
@@ -90,7 +90,7 @@
     "ts-loader": "9.5.2",
     "tsconfig-paths-webpack-plugin": "4.2.0",
     "type-fest": "3.13.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "webpack": "5.98.0",
     "webpack-cli": "4.10.0",
     "webpack-dev-server": "4.15.2",
diff --git a/blocks/address/package.json b/blocks/address/package.json
index c02078ae39e..39ec8854955 100644
--- a/blocks/address/package.json
+++ b/blocks/address/package.json
@@ -53,7 +53,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/ai-chat/package.json b/blocks/ai-chat/package.json
index 62d073c86a2..4e6489c7b4d 100644
--- a/blocks/ai-chat/package.json
+++ b/blocks/ai-chat/package.json
@@ -48,7 +48,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/ai-image/package.json b/blocks/ai-image/package.json
index 93335716b08..8e445d0bd60 100644
--- a/blocks/ai-image/package.json
+++ b/blocks/ai-image/package.json
@@ -49,7 +49,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/ai-text/package.json b/blocks/ai-text/package.json
index 03f98829fe0..39fc36093bc 100644
--- a/blocks/ai-text/package.json
+++ b/blocks/ai-text/package.json
@@ -43,7 +43,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/callout/package.json b/blocks/callout/package.json
index edeba4f83ab..7ef31117a24 100644
--- a/blocks/callout/package.json
+++ b/blocks/callout/package.json
@@ -40,7 +40,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/chart/package.json b/blocks/chart/package.json
index bf86c289a50..cdc92e16bb2 100644
--- a/blocks/chart/package.json
+++ b/blocks/chart/package.json
@@ -50,7 +50,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/code/package.json b/blocks/code/package.json
index 7472d6e0def..760010b6043 100644
--- a/blocks/code/package.json
+++ b/blocks/code/package.json
@@ -41,7 +41,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/countdown/package.json b/blocks/countdown/package.json
index 1197c1907d9..82a708cf002 100644
--- a/blocks/countdown/package.json
+++ b/blocks/countdown/package.json
@@ -42,7 +42,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/divider/package.json b/blocks/divider/package.json
index 69a835236f0..b887cd198f6 100644
--- a/blocks/divider/package.json
+++ b/blocks/divider/package.json
@@ -40,7 +40,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/embed/package.json b/blocks/embed/package.json
index 716f69b8c09..a223099a45a 100644
--- a/blocks/embed/package.json
+++ b/blocks/embed/package.json
@@ -39,7 +39,7 @@
     "mock-block-dock": "0.0.10",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "lodash": "4.17.21",
diff --git a/blocks/faq/package.json b/blocks/faq/package.json
index df34622da9d..5f5f231d662 100644
--- a/blocks/faq/package.json
+++ b/blocks/faq/package.json
@@ -46,7 +46,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/heading/package.json b/blocks/heading/package.json
index b59a3c68fcc..51fd21fe097 100644
--- a/blocks/heading/package.json
+++ b/blocks/heading/package.json
@@ -40,7 +40,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/how-to/package.json b/blocks/how-to/package.json
index 7593352643e..a7a362fb14f 100644
--- a/blocks/how-to/package.json
+++ b/blocks/how-to/package.json
@@ -47,7 +47,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/image/package.json b/blocks/image/package.json
index 82253c8f46f..20fe8de665b 100644
--- a/blocks/image/package.json
+++ b/blocks/image/package.json
@@ -41,7 +41,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/kanban-board/package.json b/blocks/kanban-board/package.json
index 09339685a8f..80bbe42ebb4 100644
--- a/blocks/kanban-board/package.json
+++ b/blocks/kanban-board/package.json
@@ -57,7 +57,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/minesweeper/package.json b/blocks/minesweeper/package.json
index 79283bfaaa1..3835371e86d 100644
--- a/blocks/minesweeper/package.json
+++ b/blocks/minesweeper/package.json
@@ -35,7 +35,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "block-scripts": {
     "port": 63212
diff --git a/blocks/paragraph/package.json b/blocks/paragraph/package.json
index cd2a65bd989..1a165e58a8c 100644
--- a/blocks/paragraph/package.json
+++ b/blocks/paragraph/package.json
@@ -40,7 +40,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/person/package.json b/blocks/person/package.json
index 840790258e6..60cad441c69 100644
--- a/blocks/person/package.json
+++ b/blocks/person/package.json
@@ -38,7 +38,7 @@
     "mock-block-dock": "0.0.38",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/shuffle/package.json b/blocks/shuffle/package.json
index c9ae3ead9d8..08a3d58865d 100644
--- a/blocks/shuffle/package.json
+++ b/blocks/shuffle/package.json
@@ -48,7 +48,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/table/package.json b/blocks/table/package.json
index 918f1f83c35..da817363775 100644
--- a/blocks/table/package.json
+++ b/blocks/table/package.json
@@ -60,7 +60,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/timer/package.json b/blocks/timer/package.json
index 7b21dde58f5..1321e55834d 100644
--- a/blocks/timer/package.json
+++ b/blocks/timer/package.json
@@ -41,7 +41,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/blocks/video/package.json b/blocks/video/package.json
index 76262d61dc3..26ce409a1c8 100644
--- a/blocks/video/package.json
+++ b/blocks/video/package.json
@@ -40,7 +40,7 @@
     "prettier": "3.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0",
diff --git a/libs/@blockprotocol/graph/package.json b/libs/@blockprotocol/graph/package.json
index 30075e07803..3f4fcc247e4 100644
--- a/libs/@blockprotocol/graph/package.json
+++ b/libs/@blockprotocol/graph/package.json
@@ -72,7 +72,7 @@
     "json-schema-to-typescript": "15.0.4",
     "lit": "2.8.0",
     "lodash.isequal": "4.5.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "devDependencies": {
     "@apidevtools/json-schema-ref-parser": "11.9.3",
@@ -83,7 +83,7 @@
     "@types/react": "19.0.10",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "react": "^19.0.0"
diff --git a/libs/@blockprotocol/type-system/rust/package.json b/libs/@blockprotocol/type-system/rust/package.json
index 468918bf4f5..2abc07a58f2 100644
--- a/libs/@blockprotocol/type-system/rust/package.json
+++ b/libs/@blockprotocol/type-system/rust/package.json
@@ -32,7 +32,7 @@
   "devDependencies": {
     "@local/tsconfig": "0.0.0-private",
     "@rust/hash-graph-test-data": "0.0.0-private",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "wasm-pack": "0.13.1"
   }
 }
diff --git a/libs/@blockprotocol/type-system/typescript/package.json b/libs/@blockprotocol/type-system/typescript/package.json
index 817f7b81718..d389b746a8c 100644
--- a/libs/@blockprotocol/type-system/typescript/package.json
+++ b/libs/@blockprotocol/type-system/typescript/package.json
@@ -67,7 +67,7 @@
     "rimraf": "6.0.1",
     "rollup": "4.34.9",
     "tslib": "2.8.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vite-plugin-wasm-pack": "0.1.12",
     "vitest": "3.0.7"
   }
diff --git a/libs/@hashintel/block-design-system/package.json b/libs/@hashintel/block-design-system/package.json
index ab36096bc51..13cf054e72d 100644
--- a/libs/@hashintel/block-design-system/package.json
+++ b/libs/@hashintel/block-design-system/package.json
@@ -50,7 +50,7 @@
     "eslint-plugin-storybook": "0.11.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "@emotion/react": "11.14.0",
diff --git a/libs/@hashintel/design-system/package.json b/libs/@hashintel/design-system/package.json
index 5b41e0d619b..70404f52fcf 100644
--- a/libs/@hashintel/design-system/package.json
+++ b/libs/@hashintel/design-system/package.json
@@ -66,7 +66,7 @@
     "eslint-plugin-storybook": "0.11.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "@emotion/cache": "11.14.0",
diff --git a/libs/@hashintel/query-editor/package.json b/libs/@hashintel/query-editor/package.json
index 4e59b5d0fa1..a044348cc3a 100644
--- a/libs/@hashintel/query-editor/package.json
+++ b/libs/@hashintel/query-editor/package.json
@@ -36,7 +36,7 @@
     "react": "19.0.0",
     "react-dom": "19.0.0",
     "react-hook-form": "7.54.2",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "@mui/material": "^5.14.0",
diff --git a/libs/@hashintel/type-editor/package.json b/libs/@hashintel/type-editor/package.json
index 5026b5e8077..230c0c9f742 100644
--- a/libs/@hashintel/type-editor/package.json
+++ b/libs/@hashintel/type-editor/package.json
@@ -45,7 +45,7 @@
     "react": "19.0.0",
     "react-dom": "19.0.0",
     "react-hook-form": "7.54.2",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "peerDependencies": {
     "@mui/material": "^5.14.0",
diff --git a/libs/@local/advanced-types/package.json b/libs/@local/advanced-types/package.json
index 0b9a254d7d6..3a0d33e04f0 100644
--- a/libs/@local/advanced-types/package.json
+++ b/libs/@local/advanced-types/package.json
@@ -27,6 +27,6 @@
     "eslint": "9.20.1",
     "react": "19.0.0",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/libs/@local/effect-dns/core/package.json b/libs/@local/effect-dns/core/package.json
index a74903ba39b..e83f2179378 100644
--- a/libs/@local/effect-dns/core/package.json
+++ b/libs/@local/effect-dns/core/package.json
@@ -26,6 +26,6 @@
     "@local/tsconfig": "0.0.0-private",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/libs/@local/effect-dns/hickory/package.json b/libs/@local/effect-dns/hickory/package.json
index 68219d24422..d5b678024f0 100644
--- a/libs/@local/effect-dns/hickory/package.json
+++ b/libs/@local/effect-dns/hickory/package.json
@@ -24,7 +24,7 @@
     "@vitest/coverage-istanbul": "3.0.7",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vitest": "3.0.7"
   },
   "napi": {
diff --git a/libs/@local/eslint/package.json b/libs/@local/eslint/package.json
index d5b51e2bc15..beb4aff74c2 100644
--- a/libs/@local/eslint/package.json
+++ b/libs/@local/eslint/package.json
@@ -45,6 +45,6 @@
     "@types/eslint__eslintrc": "2.1.2",
     "@types/node": "22.13.9",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/libs/@local/graph/client/typescript/package.json b/libs/@local/graph/client/typescript/package.json
index 23b5f021d43..e02cb702a12 100644
--- a/libs/@local/graph/client/typescript/package.json
+++ b/libs/@local/graph/client/typescript/package.json
@@ -22,6 +22,6 @@
     "@types/node": "22.13.9",
     "fix-esm-import-path": "1.10.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/libs/@local/graph/sdk/typescript/package.json b/libs/@local/graph/sdk/typescript/package.json
index baecf8d581a..aae4a2e26ce 100644
--- a/libs/@local/graph/sdk/typescript/package.json
+++ b/libs/@local/graph/sdk/typescript/package.json
@@ -36,7 +36,7 @@
     "@vitest/coverage-istanbul": "3.0.7",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vitest": "3.0.7"
   }
 }
diff --git a/libs/@local/graph/type-defs/package.json b/libs/@local/graph/type-defs/package.json
index 82ac9bf1d16..03317fecdc0 100644
--- a/libs/@local/graph/type-defs/package.json
+++ b/libs/@local/graph/type-defs/package.json
@@ -18,6 +18,6 @@
     "eslint": "9.20.1",
     "quicktype": "16.0.43",
     "tsx": "4.19.3",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/libs/@local/graph/types/typescript/package.json b/libs/@local/graph/types/typescript/package.json
index a940e1d0011..f0b97c1922b 100644
--- a/libs/@local/graph/types/typescript/package.json
+++ b/libs/@local/graph/types/typescript/package.json
@@ -32,6 +32,6 @@
     "@local/tsconfig": "0.0.0-private",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/libs/@local/harpc/client/typescript/package.json b/libs/@local/harpc/client/typescript/package.json
index 810cc98b22a..27c2ddced34 100644
--- a/libs/@local/harpc/client/typescript/package.json
+++ b/libs/@local/harpc/client/typescript/package.json
@@ -49,7 +49,7 @@
     "@vitest/coverage-istanbul": "3.0.7",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vitest": "3.0.7"
   }
 }
diff --git a/libs/@local/hash-backend-utils/package.json b/libs/@local/hash-backend-utils/package.json
index 48fc60e676e..a8f20f2e6d5 100644
--- a/libs/@local/hash-backend-utils/package.json
+++ b/libs/@local/hash-backend-utils/package.json
@@ -66,7 +66,7 @@
     "@vitest/coverage-istanbul": "3.0.7",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vitest": "3.0.7"
   }
 }
diff --git a/libs/@local/hash-isomorphic-utils/package.json b/libs/@local/hash-isomorphic-utils/package.json
index 57c8cf1de0d..4bbed58a393 100644
--- a/libs/@local/hash-isomorphic-utils/package.json
+++ b/libs/@local/hash-isomorphic-utils/package.json
@@ -72,7 +72,7 @@
     "next": "15.2.1",
     "react": "19.0.0",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vitest": "3.0.7"
   }
 }
diff --git a/libs/@local/hash-subgraph/package.json b/libs/@local/hash-subgraph/package.json
index d5be1701704..b4d9a58a539 100644
--- a/libs/@local/hash-subgraph/package.json
+++ b/libs/@local/hash-subgraph/package.json
@@ -43,7 +43,7 @@
     "@vitest/coverage-istanbul": "3.0.7",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vitest": "3.0.7"
   }
 }
diff --git a/libs/@local/internal-api-client/typescript/package.json b/libs/@local/internal-api-client/typescript/package.json
index 77fee53a8d7..2d50c08526a 100644
--- a/libs/@local/internal-api-client/typescript/package.json
+++ b/libs/@local/internal-api-client/typescript/package.json
@@ -19,6 +19,6 @@
     "@openapitools/openapi-generator-cli": "2.17.0",
     "@types/node": "22.13.9",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/libs/@local/repo-chores/node/package.json b/libs/@local/repo-chores/node/package.json
index 8005d84e6ee..14602c3a3c4 100644
--- a/libs/@local/repo-chores/node/package.json
+++ b/libs/@local/repo-chores/node/package.json
@@ -20,13 +20,13 @@
     "regex-parser": "2.3.1",
     "sort-package-json": "2.15.1",
     "tsx": "4.19.3",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   },
   "devDependencies": {
     "@local/eslint": "0.0.0-private",
     "@local/tsconfig": "0.0.0-private",
     "@types/fs-extra": "11.0.4",
     "eslint": "9.20.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/libs/@local/status/typescript/package.json b/libs/@local/status/typescript/package.json
index 15bab0e2bdb..031acbaca7c 100644
--- a/libs/@local/status/typescript/package.json
+++ b/libs/@local/status/typescript/package.json
@@ -18,7 +18,7 @@
   "dependencies": {
     "execa": "5.1.1",
     "lodash-es": "4.17.21",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "yargs": "17.7.2"
   },
   "devDependencies": {
@@ -30,6 +30,6 @@
     "eslint": "9.20.1",
     "quicktype": "16.0.43",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/tests/hash-backend-integration/package.json b/tests/hash-backend-integration/package.json
index 5c7eb49ec53..eae6744f08f 100644
--- a/tests/hash-backend-integration/package.json
+++ b/tests/hash-backend-integration/package.json
@@ -45,7 +45,7 @@
     "@vitest/coverage-istanbul": "3.0.7",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.8.2",
     "vitest": "3.0.7"
   }
 }
diff --git a/tests/hash-backend-load/package.json b/tests/hash-backend-load/package.json
index dc8f9bff3c6..04dfaccf84e 100644
--- a/tests/hash-backend-load/package.json
+++ b/tests/hash-backend-load/package.json
@@ -58,6 +58,6 @@
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
     "rollup": "4.34.9",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/tests/hash-playwright/package.json b/tests/hash-playwright/package.json
index 94b18569475..10cd24af9ca 100644
--- a/tests/hash-playwright/package.json
+++ b/tests/hash-playwright/package.json
@@ -31,6 +31,6 @@
     "@local/eslint": "0.0.0-private",
     "eslint": "9.20.1",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3"
+    "typescript": "5.8.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 565ea6c5290..14081f09064 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -328,7 +328,7 @@ __metadata:
     sanitize-html: "npm:2.14.0"
     tsconfig-paths-webpack-plugin: "npm:4.2.0"
     tsx: "npm:4.19.3"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     vitest: "npm:3.0.7"
     wait-on: "npm:8.0.2"
   languageName: unknown
@@ -438,7 +438,7 @@ __metadata:
     rimraf: "npm:6.0.1"
     ts-json-schema-generator: "npm:1.5.1"
     tsx: "npm:4.19.3"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     vitest: "npm:3.0.7"
     wait-on: "npm:8.0.2"
     ws: "npm:8.18.1"
@@ -584,7 +584,7 @@ __metadata:
     sigma: "npm:3.0.1"
     signia: "npm:0.1.5"
     signia-react: "npm:0.1.5"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     url-regex-safe: "npm:4.0.0"
     use-font-face-observer: "npm:1.3.0"
     uuid: "npm:11.1.0"
@@ -641,7 +641,7 @@ __metadata:
     eslint: "npm:9.20.1"
     rimraf: "npm:6.0.1"
     tsx: "npm:4.19.3"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     wait-on: "npm:8.0.2"
   languageName: unknown
   linkType: soft
@@ -659,7 +659,7 @@ __metadata:
     set-interval-async: "npm:2.0.3"
     slonik: "npm:24.2.0"
     tsx: "npm:4.19.3"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -676,7 +676,7 @@ __metadata:
     eslint: "npm:9.20.1"
     hot-shots: "npm:8.5.2"
     tsx: "npm:4.19.3"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -773,7 +773,7 @@ __metadata:
     sharp: "npm:0.33.5"
     slugify: "npm:1.6.6"
     tsx: "npm:4.19.3"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     unified: "npm:10.1.2"
     unist-util-visit: "npm:4.1.2"
   languageName: unknown
@@ -840,7 +840,7 @@ __metadata:
     ts-loader: "npm:9.5.2"
     tsconfig-paths-webpack-plugin: "npm:4.2.0"
     type-fest: "npm:3.13.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     uuid: "npm:11.1.0"
     webextension-polyfill: "npm:0.12.0"
     webpack: "npm:5.98.0"
@@ -4432,7 +4432,7 @@ __metadata:
     lit: "npm:2.8.0"
     lodash.isequal: "npm:4.5.0"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   peerDependencies:
     react: ^19.0.0
   languageName: unknown
@@ -4469,7 +4469,7 @@ __metadata:
     "@rust/error-stack": "npm:0.5.0"
     "@rust/hash-codec": "npm:0.0.0-private"
     "@rust/hash-graph-test-data": "npm:0.0.0-private"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     wasm-pack: "npm:0.13.1"
   languageName: unknown
   linkType: soft
@@ -4499,7 +4499,7 @@ __metadata:
     rimraf: "npm:6.0.1"
     rollup: "npm:4.34.9"
     tslib: "npm:2.8.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     vite-plugin-wasm-pack: "npm:0.1.12"
     vitest: "npm:3.0.7"
   languageName: unknown
@@ -7217,7 +7217,7 @@ __metadata:
     react-dom: "npm:19.0.0"
     react-syntax-highlighter: "npm:15.6.1"
     react-type-animation: "npm:3.2.0"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   peerDependencies:
     "@emotion/react": 11.14.0
     "@emotion/styled": 11.14.0
@@ -7255,7 +7255,7 @@ __metadata:
     react: "npm:19.0.0"
     react-dom: "npm:19.0.0"
     react-loading-skeleton: "npm:3.5.0"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   peerDependencies:
     "@emotion/cache": 11.14.0
     "@emotion/react": 11.14.0
@@ -7285,7 +7285,7 @@ __metadata:
     react: "npm:19.0.0"
     react-dom: "npm:19.0.0"
     react-hook-form: "npm:7.54.2"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   peerDependencies:
     "@mui/material": ^5.14.0
     "@mui/system": ^5.14.0
@@ -7322,7 +7322,7 @@ __metadata:
     react-hook-form: "npm:7.54.2"
     rooks: "npm:7.14.1"
     setimmediate: "npm:1.0.5"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   peerDependencies:
     "@mui/material": ^5.14.0
     "@mui/system": ^5.14.0
@@ -8776,7 +8776,7 @@ __metadata:
     eslint: "npm:9.20.1"
     react: "npm:19.0.0"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -8790,7 +8790,7 @@ __metadata:
     "@vitest/coverage-istanbul": "npm:3.0.7"
     eslint: "npm:9.20.1"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     vitest: "npm:3.0.7"
   languageName: unknown
   linkType: soft
@@ -8803,7 +8803,7 @@ __metadata:
     "@local/tsconfig": "npm:0.0.0-private"
     eslint: "npm:9.20.1"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -8834,7 +8834,7 @@ __metadata:
     eslint-unicorn: "npm:55.0.0"
     globals: "npm:15.15.0"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -8865,7 +8865,7 @@ __metadata:
     libp2p: "npm:2.7.5"
     multiformats: "npm:13.3.2"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     uint8arraylist: "npm:2.4.8"
     vitest: "npm:3.0.7"
   languageName: unknown
@@ -8913,7 +8913,7 @@ __metadata:
     redis: "npm:4.7.0"
     rimraf: "npm:6.0.1"
     slonik: "npm:24.2.0"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     uuid: "npm:11.1.0"
     vitest: "npm:3.0.7"
     wait-on: "npm:8.0.2"
@@ -8933,7 +8933,7 @@ __metadata:
     axios: "npm:1.8.1"
     fix-esm-import-path: "npm:1.10.1"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -8952,7 +8952,7 @@ __metadata:
     effect: "npm:3.13.6"
     eslint: "npm:9.20.1"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     vitest: "npm:3.0.7"
   languageName: unknown
   linkType: soft
@@ -8969,7 +8969,7 @@ __metadata:
     "@local/tsconfig": "npm:0.0.0-private"
     eslint: "npm:9.20.1"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -9021,7 +9021,7 @@ __metadata:
     rimraf: "npm:6.0.1"
     serialize-error: "npm:12.0.0"
     tsx: "npm:4.19.3"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     uuid: "npm:11.1.0"
     vitest: "npm:3.0.7"
   languageName: unknown
@@ -9041,7 +9041,7 @@ __metadata:
     "@vitest/coverage-istanbul": "npm:3.0.7"
     eslint: "npm:9.20.1"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     uuid: "npm:11.1.0"
     vitest: "npm:3.0.7"
   languageName: unknown
@@ -9056,7 +9056,7 @@ __metadata:
     "@types/node": "npm:22.13.9"
     axios: "npm:1.8.1"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -9078,7 +9078,7 @@ __metadata:
     regex-parser: "npm:2.3.1"
     sort-package-json: "npm:2.15.1"
     tsx: "npm:4.19.3"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -9096,7 +9096,7 @@ __metadata:
     lodash-es: "npm:4.17.21"
     quicktype: "npm:16.0.43"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     yargs: "npm:17.7.2"
   languageName: unknown
   linkType: soft
@@ -12999,7 +12999,7 @@ __metadata:
     eslint: "npm:9.20.1"
     quicktype: "npm:16.0.43"
     tsx: "npm:4.19.3"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -16917,7 +16917,7 @@ __metadata:
     graphql-request: "npm:3.7.0"
     node-fetch: "npm:2.7.0"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     vitest: "npm:3.0.7"
   languageName: unknown
   linkType: soft
@@ -16951,7 +16951,7 @@ __metadata:
     eslint: "npm:9.20.1"
     rimraf: "npm:6.0.1"
     rollup: "npm:4.34.9"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
     uuid: "npm:11.1.0"
   languageName: unknown
   linkType: soft
@@ -16978,7 +16978,7 @@ __metadata:
     graphql: "npm:16.10.0"
     js-yaml: "npm:4.1.0"
     rimraf: "npm:6.0.1"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.8.2"
   languageName: unknown
   linkType: soft
 
@@ -45244,13 +45244,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:5, typescript@npm:5.7.3, typescript@npm:^5.0.4, typescript@npm:^5.4.4":
-  version: 5.7.3
-  resolution: "typescript@npm:5.7.3"
+"typescript@npm:5, typescript@npm:5.8.2, typescript@npm:^5.0.4, typescript@npm:^5.4.4":
+  version: 5.8.2
+  resolution: "typescript@npm:5.8.2"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/b7580d716cf1824736cc6e628ab4cd8b51877408ba2be0869d2866da35ef8366dd6ae9eb9d0851470a39be17cbd61df1126f9e211d8799d764ea7431d5435afa
+  checksum: 10c0/5c4f6fbf1c6389b6928fe7b8fcd5dc73bb2d58cd4e3883f1d774ed5bd83b151cbac6b7ecf11723de56d4676daeba8713894b1e9af56174f2f9780ae7848ec3c6
   languageName: node
   linkType: hard
 
@@ -45284,13 +45284,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@npm%3A5#optional!builtin<compat/typescript>, typescript@patch:typescript@npm%3A5.7.3#optional!builtin<compat/typescript>, typescript@patch:typescript@npm%3A^5.0.4#optional!builtin<compat/typescript>, typescript@patch:typescript@npm%3A^5.4.4#optional!builtin<compat/typescript>":
-  version: 5.7.3
-  resolution: "typescript@patch:typescript@npm%3A5.7.3#optional!builtin<compat/typescript>::version=5.7.3&hash=5786d5"
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+  resolution: "typescript@patch:typescript@npm%3A5.8.2#optional!builtin<compat/typescript>::version=5.8.2&hash=5786d5"
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