diff --git a/package.json b/package.json
index 1a3ad33..f7d860f 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "eslint": "^8.56.0",
     "eslint-config-prettier": "^9.1.0",
     "prettier": "^3.2.4",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.3"
   },
   "dependencies": {
     "@actions/core": "^1.10.1",
diff --git a/yarn.lock b/yarn.lock
index a4ea67d..5436c2f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -915,10 +915,10 @@ type-fest@^0.20.2:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.20.2.tgz#1bf207f4b28f91583666cb5fbd327887301cd5f4"
   integrity sha512-Ne+eE4r0/iWnpAxD852z3A+N0Bt5RN//NjJwRd2VFHEmrywxf5vsZlh4R6lixl6B+wz/8d+maTSAkN1FIkI3LQ==
 
-typescript@^5.3.3:
-  version "5.3.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.3.3.tgz#b3ce6ba258e72e6305ba66f5c9b452aaee3ffe37"
-  integrity sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==
+typescript@^5.4.3:
+  version "5.4.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.3.tgz#5c6fedd4c87bee01cd7a528a30145521f8e0feff"
+  integrity sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==
 
 undici-types@~5.26.4:
   version "5.26.5"