diff --git a/config-ui/package.json b/config-ui/package.json
index 9ba3d625573..65940b178c5 100644
--- a/config-ui/package.json
+++ b/config-ui/package.json
@@ -57,7 +57,7 @@
     "@testing-library/react": "16.3.2",
     "@types/file-saver": "2.0.7",
     "@types/lodash": "^4.17.24",
-    "@types/node": "^24.0.0",
+    "@types/node": "^26.4.1",
     "@types/react": "19.2.17",
     "@types/react-copy-to-clipboard": "^5.0.7",
     "@types/react-dom": "19.2.3",
diff --git a/config-ui/yarn.lock b/config-ui/yarn.lock
index e509be3b14d..783f9db01d8 100644
--- a/config-ui/yarn.lock
+++ b/config-ui/yarn.lock
@@ -2310,12 +2310,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:^24.0.0":
-  version: 24.13.2
-  resolution: "@types/node@npm:24.13.2"
+"@types/node@npm:^26.4.1":
+  version: 26.4.1
+  resolution: "@types/node@npm:26.4.1"
   dependencies:
-    undici-types: "npm:~7.18.0"
-  checksum: 10c0/d7d48a88a4feb0a6aac3cbfaf9ef3b12752b4b09447f88dd0b4c77c03b281e3d4330fe6982a99aedcd63fc16c7540a0c248b91eb2abb0b3edd884d7fe684e9ea
+    undici-types: "npm:~8.3.0"
+  checksum: 10c0/29568336db8bc67740744782492af0e81ab1f88d86eaa07e38cf0a4c8bae7250a7b4b85c80ac1014fc98b2bc6d4bcac872b2c494ee0671b3880eada7c1fdbc94
   languageName: node
   linkType: hard
 
@@ -3453,7 +3453,7 @@ __metadata:
     "@testing-library/react": "npm:16.3.2"
     "@types/file-saver": "npm:2.0.7"
     "@types/lodash": "npm:^4.17.24"
-    "@types/node": "npm:^24.0.0"
+    "@types/node": "npm:^26.4.1"
     "@types/react": "npm:19.2.17"
     "@types/react-copy-to-clipboard": "npm:^5.0.7"
     "@types/react-dom": "npm:19.2.3"
@@ -8486,10 +8486,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"undici-types@npm:~7.18.0":
-  version: 7.18.2
-  resolution: "undici-types@npm:7.18.2"
-  checksum: 10c0/85a79189113a238959d7a647368e4f7c5559c3a404ebdb8fc4488145ce9426fcd82252a844a302798dfc0e37e6fb178ff481ed03bc4caf634c5757d9ef43521d
+"undici-types@npm:~8.3.0":
+  version: 8.3.0
+  resolution: "undici-types@npm:8.3.0"
+  checksum: 10c0/c8aa7e2fbebfce519654dafadc0ece59be888d2ccaf180fb4495da875e7b536d2456345c384069c7e6f3e9c9ab7435f074957da306f142343eee86ff8048855a
   languageName: node
   linkType: hard