diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 942a715c..0c0281ad 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,7 +26,7 @@ jobs:
         uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7
         with:
           cache-dependency-path: package.json
-          node-version: "24.x"
+          node-version: "26.x"
           cache: "npm"
 
       - name: Install and build
diff --git a/package-lock.json b/package-lock.json
index d8ed2b34..fc0551c6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "@edge-runtime/vm": "5.0.0",
         "@eslint/eslintrc": "3.3.3",
         "@eslint/js": "10.0.1",
-        "@types/node": "24.10.11",
+        "@types/node": "26.6.6",
         "@types/react": "19.2.13",
         "@types/react-dom": "19.2.3",
         "@vitejs/plugin-react": "5.1.3",
@@ -2235,13 +2235,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.10.11",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.10.11.tgz",
-      "integrity": "sha512-/Af7O8r1frCVgOz0I62jWUtMohJ0/ZQU/ZoketltOJPZpnb17yoNc9BSoVuV9qlaIXJiPNOpsfq4ByFajSArNQ==",
+      "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": "~7.16.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/react": {
@@ -5105,9 +5105,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.16.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
-      "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+      "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 bc192c27..1fdc87e0 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "@edge-runtime/vm": "5.0.0",
     "@eslint/eslintrc": "3.3.3",
     "@eslint/js": "10.0.1",
-    "@types/node": "24.10.11",
+    "@types/node": "26.6.6",
     "@types/react": "19.2.13",
     "@types/react-dom": "19.2.3",
     "@vitejs/plugin-react": "5.1.3",