diff --git a/package-lock.json b/package-lock.json
index fb0708f..767bd94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "@studio/eslint-config": "^8.0.1",
         "@studio/related-tests": "^0.2.0",
         "@studio/tsconfig": "^1.3.0",
-        "@types/node": "^25.3.3",
+        "@types/node": "^25.9.1",
         "@types/yargs": "^17.0.35",
         "c8": "^11.0.0",
         "eslint": "^9.39.2",
@@ -1086,13 +1086,13 @@
       "peer": true
     },
     "node_modules/@types/node": {
-      "version": "25.3.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.3.3.tgz",
-      "integrity": "sha512-DpzbrH7wIcBaJibpKo9nnSQL0MTRdnWttGyE5haGwK86xgMOkFLp7vEyfQPGLOJh5wNYiJ3V9PmUMDhV9u8kkQ==",
+      "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": "~7.18.0"
+        "undici-types": ">=7.24.0 <7.24.7"
       }
     },
     "node_modules/@types/which": {
@@ -6650,9 +6650,9 @@
       }
     },
     "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/package.json b/package.json
index 1c18935..3702169 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "@studio/eslint-config": "^8.0.1",
     "@studio/related-tests": "^0.2.0",
     "@studio/tsconfig": "^1.3.0",
-    "@types/node": "^25.3.3",
+    "@types/node": "^25.9.1",
     "@types/yargs": "^17.0.35",
     "c8": "^11.0.0",
     "eslint": "^9.39.2",