diff --git a/package-lock.json b/package-lock.json
index ba77442..f8bac5f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "deploy-gate": "dist/cli.js"
       },
       "devDependencies": {
-        "@types/node": "^25.3.3",
+        "@types/node": "^26.1.1",
         "eslint": "^10.0.2",
         "prettier": "^3.8.1",
         "typescript": "^5.9.3",
@@ -1083,13 +1083,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.3.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.3.3.tgz",
-      "integrity": "sha512-DpzbrH7wIcBaJibpKo9nnSQL0MTRdnWttGyE5haGwK86xgMOkFLp7vEyfQPGLOJh5wNYiJ3V9PmUMDhV9u8kkQ==",
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
+      "integrity": "sha512-nxAkRSVkN1Y0JC1W8ky/fTfkGsMmcrRsbx+3XoZE+rMOX71kLYTV7fLXpqud1GpbpP5TuffXFqfX7fH2GgZREw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@vitest/expect": {
@@ -3119,9 +3119,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.18.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
-      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 9e24c50..b619176 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "zod": "^4.3.6"
   },
   "devDependencies": {
-    "@types/node": "^25.3.3",
+    "@types/node": "^26.1.1",
     "eslint": "^10.0.2",
     "prettier": "^3.8.1",
     "typescript": "^5.9.3",