diff --git a/ui/package-lock.json b/ui/package-lock.json
index 22ca32aa96..8f792b9e70 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -18,7 +18,7 @@
         "remark-gfm": "^4.0.1"
       },
       "devDependencies": {
-        "@types/node": "^25.9.9",
+        "@types/node": "^26.6.3",
         "@types/react": "^18.3.31",
         "@types/react-dom": "^18.3.7",
         "@vitejs/plugin-react": "^6.1.1",
@@ -1824,13 +1824,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.9",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.9.tgz",
-      "integrity": "sha512-b4e2xxj/yMeT2hNlD6x7zNFiQK2Dlmkb9CQ6v3/1G2RezKN4YS2lcEv8lzGm1mhs4f2lM4yNAMI/zUDBZBBt7w==",
+      "version": "26.6.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.3.tgz",
+      "integrity": "sha512-dsqMQQoeTLqu9wynDD00q573mNzso3IdQOAfHRJqLCcmCFPoGo9A1bDpUcv/9tnKpErQWv9uKeGfl37EIS02Yg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/prop-types": {
@@ -5529,9 +5529,9 @@
       }
     },
     "node_modules/undici-types": {
-      "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==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/ui/package.json b/ui/package.json
index 6534328641..9cd23d16bb 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -24,7 +24,7 @@
     "remark-gfm": "^4.0.1"
   },
   "devDependencies": {
-    "@types/node": "^25.9.9",
+    "@types/node": "^26.6.3",
     "@types/react": "^18.3.31",
     "@types/react-dom": "^18.3.7",
     "@vitejs/plugin-react": "^6.1.1",