diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9fd1765a..7f4e128d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f
         with:
-          node-version: "24.22.1"
+          node-version: "26.12.1"
           cache: "npm"
 
       - name: Install Dependencies
diff --git a/package-lock.json b/package-lock.json
index 19682d6e..52ccd96f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
       "devDependencies": {
         "@cloudflare/vitest-plugin": "1.4.7",
         "@eslint/js": "10.0.1",
-        "@types/node": "24.19.2",
+        "@types/node": "26.6.5",
         "@types/semver": "7.8.0",
         "@typescript-eslint/eslint-plugin": "8.72.0",
         "@typescript-eslint/parser": "8.72.0",
@@ -2765,13 +2765,13 @@
       "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": "26.6.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.5.tgz",
+      "integrity": "sha512-uMzsv9stDdofIZBx4UGh4Z9ZgXnGC9seRDscilBcTHAeOFk67MZg/k9bWVfO+bk4qZmG+l52hRnLwUiH2LnJTg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/semver": {
@@ -5816,9 +5816,9 @@
       }
     },
     "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 326b4dbf..021fc013 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
   "devDependencies": {
     "@cloudflare/vitest-plugin": "1.4.7",
     "@eslint/js": "10.0.1",
-    "@types/node": "24.19.2",
+    "@types/node": "26.6.5",
     "@types/semver": "7.8.0",
     "@typescript-eslint/eslint-plugin": "8.72.0",
     "@typescript-eslint/parser": "8.72.0",