diff --git a/package-lock.json b/package-lock.json
index ddde971..4702b2b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
         "@actions/core": "^1.10.0"
       },
       "devDependencies": {
-        "@types/node": "^20.0.0",
+        "@types/node": "^25.9.1",
         "@vercel/ncc": "^0.38.4",
         "typescript": "^5.9.3"
       }
@@ -61,13 +61,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "20.19.35",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.35.tgz",
-      "integrity": "sha512-Uarfe6J91b9HAUXxjvSOdiO2UPOKLm07Q1oh0JHxoZ1y8HoqxDAu3gVrsrOHeiio0kSsoVBt4wFrKOm0dKxVPQ==",
+      "version": "25.9.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.1.tgz",
+      "integrity": "sha512-xfrlY7UD5rMJk3ZVJP8BNzS28J36YJg+xp+LPXV1TdWxr8uMH5A860QNxYDGQe/ylDSgjxE52Q9VnO7p75tJxg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": ">=7.24.0 <7.24.7"
       }
     },
     "node_modules/@vercel/ncc": {
@@ -116,9 +116,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "version": "7.24.6",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
+      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
       "dev": true,
       "license": "MIT"
     }
diff --git a/package.json b/package.json
index 4e61a64..4f7ad16 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "@actions/core": "^1.10.0"
   },
   "devDependencies": {
-    "@types/node": "^20.0.0",
+    "@types/node": "^25.9.1",
     "@vercel/ncc": "^0.38.4",
     "typescript": "^5.9.3"
   }