diff --git a/package.json b/package.json
index 32562256f4a..f6277cc0fd6 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@types/dompurify": "^3.0.0",
     "@types/escape-html": "^1.0.1",
     "@types/katex": "^0.16.0",
-    "@types/node": "^24.0.2",
+    "@types/node": "^26.1.0",
     "@types/retry": "^0.12.1",
     "@types/scroll-into-view": "^1.16.0",
     "@types/shallowequal": "^1.1.1",
diff --git a/yarn.lock b/yarn.lock
index 45e8b8fa5b0..a2e78714b8a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5213,7 +5213,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:*, @types/node@npm:^24.0.2":
+"@types/node@npm:*":
   version: 24.10.1
   resolution: "@types/node@npm:24.10.1"
   dependencies:
@@ -5222,6 +5222,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/node@npm:^26.1.0":
+  version: 26.1.0
+  resolution: "@types/node@npm:26.1.0"
+  dependencies:
+    undici-types: ~8.3.0
+  checksum: bbced3378635cb48e739e384e53ff4c7d3e18194a2e003fb5240fc4f6c18fdc9f2452539a9f6fa608ca7b510a40f844d483c23f5d8bd2cf2c245b16d43ce4236
+  languageName: node
+  linkType: hard
+
 "@types/resolve@npm:1.20.2":
   version: 1.20.2
   resolution: "@types/resolve@npm:1.20.2"
@@ -8729,7 +8738,7 @@ __metadata:
     "@types/dompurify": ^3.0.0
     "@types/escape-html": ^1.0.1
     "@types/katex": ^0.16.0
-    "@types/node": ^24.0.2
+    "@types/node": ^26.1.0
     "@types/retry": ^0.12.1
     "@types/scroll-into-view": ^1.16.0
     "@types/shallowequal": ^1.1.1
@@ -13063,6 +13072,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"undici-types@npm:~8.3.0":
+  version: 8.3.0
+  resolution: "undici-types@npm:8.3.0"
+  checksum: bdc1d54d8b48f3f2a801f7707a2ad53b76711039dd9a276382d4bdbbded79355574309425096127a42313731bde7a76cc299855fc06872797edd0acbfcef5bc0
+  languageName: node
+  linkType: hard
+
 "undici@npm:^6.22.0":
   version: 6.25.0
   resolution: "undici@npm:6.25.0"