diff --git a/package-lock.json b/package-lock.json
index 7bf81a69f2..c8a789ab63 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -875,13 +875,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.1.tgz",
-      "integrity": "sha512-xfrlY7UD5rMJk3ZVJP8BNzS28J36YJg+xp+LPXV1TdWxr8uMH5A860QNxYDGQe/ylDSgjxE52Q9VnO7p75tJxg==",
+      "version": "26.0.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.0.tgz",
+      "integrity": "sha512-vf2YFi1iY9lHGwNJMs01biZFbKJkrZR1T6/MlzjhJLPdntOHLhTrDSnSVcdtvjihi4VQNlrFRIxLsDBlQpAipA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@typespec/ts-http-runtime": {
@@ -2126,9 +2126,9 @@
       }
     },
     "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": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true,
       "license": "MIT"
     },
@@ -2280,7 +2280,7 @@
       "version": "1.0.0-preview.76",
       "license": "MIT",
       "dependencies": {
-        "@microsoft/kiota-http-fetchlibrary": "^1.0.0-preview.100",
+        "@microsoft/kiota-http-fetchlibrary": "^1.0.0-preview.102",
         "@microsoft/msgraph-sdk-core": "^1.0.0-preview.17",
         "tslib": "^2.6.2"
       },
@@ -3588,7 +3588,7 @@
       "devDependencies": {
         "@types/chai": "^5.0.0",
         "@types/mocha": "^10.0.6",
-        "@types/node": "^25.8.0",
+        "@types/node": "^26.0.0",
         "chai": "^6.0.1",
         "mocha": "^11.0.1"
       }
diff --git a/packages/msgraph-beta-sdk-tests/package.json b/packages/msgraph-beta-sdk-tests/package.json
index 94115c5f99..89dae80228 100644
--- a/packages/msgraph-beta-sdk-tests/package.json
+++ b/packages/msgraph-beta-sdk-tests/package.json
@@ -34,7 +34,7 @@
   "devDependencies": {
     "@types/chai": "^5.0.0",
     "@types/mocha": "^10.0.6",
-    "@types/node": "^25.8.0",
+    "@types/node": "^26.0.0",
     "chai": "^6.0.1",
     "mocha": "^11.0.1"
   },