diff --git a/package.json b/package.json
index 9bee7a6f..24506654 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "spire": "2.1.4",
     "spire-plugin-semantic-release": "2.1.5",
     "storybook-readme": "5.0.8",
-    "typescript": "4.0.3"
+    "typescript": "4.0.5"
   },
   "files": [
     "lib",
diff --git a/yarn.lock b/yarn.lock
index 98cdce7a..46bb28fb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14297,10 +14297,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@4.0.3:
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.3.tgz#153bbd468ef07725c1df9c77e8b453f8d36abba5"
-  integrity sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==
+typescript@4.0.5:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
+  integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
 
 uglify-js@3.4.x:
   version "3.4.10"