diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 99ba0f7d..8a135354 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Node setup
         uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
-          node-version: "24.22.1"
+          node-version: "26.12.1"
           cache: "npm"
 
       - name: Install and build
diff --git a/package-lock.json b/package-lock.json
index 57b31c5e..65da4c42 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "@edge-runtime/vm": "5.0.0",
         "@eslint/eslintrc": "3.3.7",
         "@eslint/js": "10.0.1",
-        "@types/node": "24.19.2",
+        "@types/node": "26.6.6",
         "@typescript-eslint/eslint-plugin": "8.72.1",
         "@typescript-eslint/parser": "8.72.1",
         "chokidar-cli": "3.0.0",
@@ -2089,13 +2089,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.19.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.19.2.tgz",
-      "integrity": "sha512-93d49wCWJkCyN87MxLpNN6KXPCwFw7bVUg79mGUV1OS40JGWwVCr8n61DXCSqz7CV6/VfPkb7xec7uP2M+QHWQ==",
+      "version": "26.6.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.6.tgz",
+      "integrity": "sha512-MzQj+8Kx3XI40OmUAE6Qoh58ZMNstNNMwn2nfd3qWsfe7nDNSqJNzes4njhz6AHwrSHOffSLwXU6yb474Q4aog==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/normalize-package-data": {
@@ -6052,9 +6052,9 @@
       }
     },
     "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/package.json b/package.json
index 80720fe3..e0aa32c7 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "@edge-runtime/vm": "5.0.0",
     "@eslint/eslintrc": "3.3.7",
     "@eslint/js": "10.0.1",
-    "@types/node": "24.19.2",
+    "@types/node": "26.6.6",
     "@typescript-eslint/eslint-plugin": "8.72.1",
     "@typescript-eslint/parser": "8.72.1",
     "chokidar-cli": "3.0.0",