diff --git a/package.json b/package.json
index e4cfc660..de3f3528 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "semantic-release": "19.0.5",
     "ts-jest": "27.1.5",
     "ts-node": "10.9.2",
-    "typescript": "4.9.5"
+    "typescript": "5.9.3"
   },
   "dependencies": {
     "@actions/core": "1.11.1",
diff --git a/yarn.lock b/yarn.lock
index 49402196..3b7c9307 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6237,10 +6237,10 @@ typedarray-to-buffer@^4.0.0:
   resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-4.0.0.tgz#cdd2933c61dd3f5f02eda5d012d441f95bfeb50a"
   integrity sha512-6dOYeZfS3O9RtRD1caom0sMxgK59b27+IwoNy8RDPsmslSGOyU+mpTamlaIW7aNKi90ZQZ9DFaZL3YRoiSCULQ==
 
-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@5.9.3:
+  version "5.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.9.3.tgz#5b4f59e15310ab17a216f5d6cf53ee476ede670f"
+  integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
 
 uglify-js@^3.1.4:
   version "3.14.5"