diff --git a/tests/helpers/package-lock.json b/tests/helpers/package-lock.json
index 719cb5f1..b82996e5 100644
--- a/tests/helpers/package-lock.json
+++ b/tests/helpers/package-lock.json
@@ -13,7 +13,7 @@
         "zod": "^4.6.5"
       },
       "devDependencies": {
-        "@types/node": "^24.13.4",
+        "@types/node": "^25.9.8",
         "typescript": "^7.0.2"
       },
       "engines": {
@@ -64,13 +64,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "24.13.4",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.4.tgz",
-      "integrity": "sha512-YJ7EqCstVTzIr0fMr7qul/977en+pQHrfmuKIo6Zr9i75Be21dr3MovcfvGtyvi2HAUrRerWps5sMO9I7WaxDw==",
+      "version": "25.9.8",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.8.tgz",
+      "integrity": "sha512-VfMrScDmMhUJQmd5hArdQnFvK0OIeD36uN2Va1FcpYaLB/BgkgM8Ulc50XtYISPMz7APJ30+N0T5EM0jlcdfRw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": ">=7.24.0 <7.24.7"
       }
     },
     "node_modules/@typescript/typescript-aix-ppc64": {
@@ -538,9 +538,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.18.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
-      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "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/tests/helpers/package.json b/tests/helpers/package.json
index c349e32b..e0ec692a 100644
--- a/tests/helpers/package.json
+++ b/tests/helpers/package.json
@@ -8,7 +8,7 @@
     "clean": "rm -rf build"
   },
   "devDependencies": {
-    "@types/node": "^24.13.4",
+    "@types/node": "^25.9.8",
     "typescript": "^7.0.2"
   },
   "engines": {