diff --git a/package-lock.json b/package-lock.json
index 4f69ce2d..23637af1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -312,13 +312,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.12.4",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.12.4.tgz",
-      "integrity": "sha512-GUUEShf+PBCGW2KaXwcIt3Yk+e3pkKwWKb9GSyM9WQVE+ep2jzmHdGsHzu4wgcZy5fN9FBdVzjpBQsYlpfpgLA==",
+      "version": "25.9.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.2.tgz",
+      "integrity": "sha512-G05zqtJhcDLb8uslf5EjCxXg9G1KQxiV8OS0R26IC//Eoyitzqe8z37I7cqvnZlrlSfgocQRfSn/AHBZJJFyGw==",
       "devOptional": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.16.0"
+        "undici-types": ">=7.24.0 <7.24.7"
       }
     },
     "node_modules/@types/unist": {
@@ -3235,9 +3235,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.16.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
-      "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+      "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==",
       "devOptional": true,
       "license": "MIT"
     },
@@ -3600,7 +3600,7 @@
         "sdlc-harness": "dist/cli.js"
       },
       "devDependencies": {
-        "@types/node": "^24.0.0",
+        "@types/node": "^25.9.2",
         "typescript": "^5.5.0"
       },
       "engines": {
diff --git a/packages/sdlc-harness/package.json b/packages/sdlc-harness/package.json
index 463b2294..1edd4eaa 100644
--- a/packages/sdlc-harness/package.json
+++ b/packages/sdlc-harness/package.json
@@ -56,7 +56,7 @@
     "yaml": "^2.9.0"
   },
   "devDependencies": {
-    "@types/node": "^24.0.0",
+    "@types/node": "^25.9.2",
     "typescript": "^5.5.0"
   }
 }