diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 93778db..b27ece6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,7 +30,7 @@ jobs:
         uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
           cache-dependency-path: package.json
-          node-version: "24.22.2"
+          node-version: "26.12.1"
           cache: "npm"
 
       - name: Install and build
diff --git a/.github/workflows/version.yml b/.github/workflows/version.yml
index b0f36e9..ddfcc14 100644
--- a/.github/workflows/version.yml
+++ b/.github/workflows/version.yml
@@ -28,7 +28,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
-          node-version: "24.22.2"
+          node-version: "26.12.1"
           package-manager-cache: false
       - run: npm ci --ignore-scripts
       - name: Check whether a version PR is needed
diff --git a/package-lock.json b/package-lock.json
index da68454..59c13b9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "@eslint/js": "10.0.1",
         "@sveltejs/vite-plugin-svelte": "7.3.1",
         "@tailwindcss/vite": "4.3.5",
-        "@types/node": "22.20.5",
+        "@types/node": "26.6.6",
         "@types/react": "19.3.0",
         "@types/react-dom": "19.3.0",
         "@vitejs/plugin-react": "6.3.0",
@@ -2412,13 +2412,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "22.20.5",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.20.5.tgz",
-      "integrity": "sha512-U2+DNr+wSjpsTS/wZGYHq7GcwfuSmKiKvoPvK22zwTlRhU91yOniN4qRR5KhIjvif7ysw/dz/hKmfDH0Ris4aA==",
+      "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": "~6.21.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/react": {
@@ -7742,9 +7742,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "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 c15f3a0..f466cde 100644
--- a/package.json
+++ b/package.json
@@ -93,7 +93,7 @@
     "@eslint/js": "10.0.1",
     "@sveltejs/vite-plugin-svelte": "7.3.1",
     "@tailwindcss/vite": "4.3.5",
-    "@types/node": "22.20.5",
+    "@types/node": "26.6.6",
     "@types/react": "19.3.0",
     "@types/react-dom": "19.3.0",
     "@vitejs/plugin-react": "6.3.0",