diff --git a/.github/workflows/presubmit.yaml b/.github/workflows/presubmit.yaml
index 41ef38a..9ff7393 100644
--- a/.github/workflows/presubmit.yaml
+++ b/.github/workflows/presubmit.yaml
@@ -18,7 +18,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
       with:
-        node-version: "22"
+        node-version: "26"
         cache: 'npm'
     - name: Install dependencies
       run: npm ci
diff --git a/package-lock.json b/package-lock.json
index 5bc9546..cceb611 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
         "samples"
       ],
       "devDependencies": {
-        "@types/node": "^22.7.5",
+        "@types/node": "^26.0.0",
         "c8": "^12.0.0",
         "google-artifactregistry-auth": "^3.5.0",
         "gts": "^6.0.2",
@@ -415,11 +415,11 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "22.20.5",
-      "integrity": "sha512-U2+DNr+wSjpsTS/wZGYHq7GcwfuSmKiKvoPvK22zwTlRhU91yOniN4qRR5KhIjvif7ysw/dz/hKmfDH0Ris4aA==",
+      "version": "26.6.6",
+      "integrity": "sha512-MzQj+8Kx3XI40OmUAE6Qoh58ZMNstNNMwn2nfd3qWsfe7nDNSqJNzes4njhz6AHwrSHOffSLwXU6yb474Q4aog==",
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/normalize-package-data": {
@@ -4436,8 +4436,8 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "version": "8.9.0",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "license": "MIT"
     },
     "node_modules/uri-js": {
diff --git a/package.json b/package.json
index 8a77718..3fea016 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "posttest": "npm run lint"
   },
   "devDependencies": {
-    "@types/node": "^22.7.5",
+    "@types/node": "^26.0.0",
     "c8": "^12.0.0",
     "google-artifactregistry-auth": "^3.5.0",
     "gts": "^6.0.2",