diff --git a/package.json b/package.json
index d4be63a..12b2217 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "eslint-plugin-prettier": "3.1.4",
     "tsdx": "0.13.2",
     "tslib": "2.0.1",
-    "typescript": "4.0.2",
+    "typescript": "4.9.5",
     "ts-jest": "26.2.0"
   },
   "peerDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 264f41c..106ddca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8713,10 +8713,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.2.tgz#7ea7c88777c723c681e33bf7988be5d008d05ac2"
-  integrity sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==
+typescript@4.9.5:
+  version "4.9.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
+  integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==
 
 typescript@^3.7.3:
   version "3.9.7"