diff --git a/apps/hash-ai-worker-ts/package.json b/apps/hash-ai-worker-ts/package.json
index 1cfb680a045..58b73c0eeed 100644
--- a/apps/hash-ai-worker-ts/package.json
+++ b/apps/hash-ai-worker-ts/package.json
@@ -80,7 +80,7 @@
     "md5": "2.3.0",
     "mime-types": "2.1.35",
     "officeparser": "4.2.0",
-    "openai": "4.85.4",
+    "openai": "4.86.1",
     "openai-chat-tokens": "0.2.8",
     "papaparse": "5.5.2",
     "pdf2json": "3.1.5",
diff --git a/apps/hash-api/package.json b/apps/hash-api/package.json
index 2661b54ab3f..5f417084538 100644
--- a/apps/hash-api/package.json
+++ b/apps/hash-api/package.json
@@ -99,7 +99,7 @@
     "nanoid": "3.3.8",
     "nodemailer": "6.10.0",
     "oembed-providers": "1.0.20241022",
-    "openai": "4.85.4",
+    "openai": "4.86.1",
     "ts-json-schema-generator": "1.5.1",
     "tsx": "4.19.3",
     "typescript": "5.7.3",
diff --git a/yarn.lock b/yarn.lock
index c0de37144c6..9690802fe0f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -317,7 +317,7 @@ __metadata:
     md5: "npm:2.3.0"
     mime-types: "npm:2.1.35"
     officeparser: "npm:4.2.0"
-    openai: "npm:4.85.4"
+    openai: "npm:4.86.1"
     openai-chat-tokens: "npm:0.2.8"
     papaparse: "npm:5.5.2"
     pdf2json: "npm:3.1.5"
@@ -435,7 +435,7 @@ __metadata:
     nanoid: "npm:3.3.8"
     nodemailer: "npm:6.10.0"
     oembed-providers: "npm:1.0.20241022"
-    openai: "npm:4.85.4"
+    openai: "npm:4.86.1"
     rimraf: "npm:6.0.1"
     ts-json-schema-generator: "npm:1.5.1"
     tsx: "npm:4.19.3"
@@ -37391,9 +37391,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"openai@npm:4.85.4, openai@npm:^4.73.1":
-  version: 4.85.4
-  resolution: "openai@npm:4.85.4"
+"openai@npm:4.86.1, openai@npm:^4.73.1":
+  version: 4.86.1
+  resolution: "openai@npm:4.86.1"
   dependencies:
     "@types/node": "npm:^18.11.18"
     "@types/node-fetch": "npm:^2.6.4"
@@ -37412,7 +37412,7 @@ __metadata:
       optional: true
   bin:
     openai: bin/cli
-  checksum: 10c0/3c314cc4f55b646f605f25f0b234a6a3ee4c9bc7bd62fc761f0da53a49621798b0308af2c59f7818022dc942115706b9f214dadc0d1be7fc0f17fd636b131344
+  checksum: 10c0/68e7d2ebd3cfae41e00dc05b3a2f5f9901e4e97de527408bdaa3fe30b93e4e63e68afb61f14f9606737b394136dd61ce09e21a64fa074a1b16be41377b4b1e52
   languageName: node
   linkType: hard