diff --git a/base-action/package-lock.json b/base-action/package-lock.json
index fd0d474..b050cd4 100644
--- a/base-action/package-lock.json
+++ b/base-action/package-lock.json
@@ -17,7 +17,7 @@
         "@types/node": "^20.0.0",
         "@types/shell-quote": "^1.7.5",
         "prettier": "3.5.3",
-        "typescript": "^5.8.3"
+        "typescript": "^5.9.3"
       }
     },
     "node_modules/@actions/core": {
@@ -412,7 +412,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/base-action/package.json b/base-action/package.json
index 9674dde..97131af 100644
--- a/base-action/package.json
+++ b/base-action/package.json
@@ -19,6 +19,6 @@
     "@types/node": "^20.0.0",
     "@types/shell-quote": "^1.7.5",
     "prettier": "3.5.3",
-    "typescript": "^5.8.3"
+    "typescript": "^5.9.3"
   }
 }