diff --git a/package.json b/package.json
index 2035cd413..cf1ff7554 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "ts-node": "~10.9.1",
     "tslint": "~6.1.3",
     "tslint-no-circular-imports": "~0.7.0",
-    "typescript": "4.8.3",
+    "typescript": "5.9.3",
     "yalc": "~1.0.0-pre.53"
   },
   "resolutions": {
diff --git a/yarn.lock b/yarn.lock
index d677d6df7..875999e0d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -578,10 +578,10 @@ tsutils@^2.29.0:
   dependencies:
     tslib "^1.8.1"
 
-typescript@4.8.3:
-  version "4.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.3.tgz#d59344522c4bc464a65a730ac695007fdb66dd88"
-  integrity sha512-goMHfm00nWPa8UvR/CPSvykqf6dVV8x/dp0c5mFTMTIu0u0FlGWRioyy7Nn0PGAdHxpJZnuO/ut+PpQ8UiHAig==
+typescript@5.9.3:
+  version "5.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.9.3.tgz#5b4f59e15310ab17a216f5d6cf53ee476ede670f"
+  integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
 
 universalify@^0.1.0:
   version "0.1.2"