diff --git a/package-lock.json b/package-lock.json
index 3d919092..9c24e636 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
             "@actions/tool-cache": "^4.0.0"
          },
          "devDependencies": {
-            "@types/node": "^25.9.3",
+            "@types/node": "^26.0.0",
             "esbuild": "^0.28.1",
             "husky": "^9.1.7",
             "prettier": "3.8.4",
@@ -890,13 +890,13 @@
          "license": "MIT"
       },
       "node_modules/@types/node": {
-         "version": "25.9.3",
-         "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.3.tgz",
-         "integrity": "sha512-603BddQMv3pUcr4U2dhujk83N2tTDVr/34wII2B6bJy6g+8WD6yUb11jszNs0gdi4PesVWl7ABt8nYMVpnLUcg==",
+         "version": "26.0.0",
+         "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.0.tgz",
+         "integrity": "sha512-vf2YFi1iY9lHGwNJMs01biZFbKJkrZR1T6/MlzjhJLPdntOHLhTrDSnSVcdtvjihi4VQNlrFRIxLsDBlQpAipA==",
          "dev": true,
          "license": "MIT",
          "dependencies": {
-            "undici-types": ">=7.24.0 <7.24.7"
+            "undici-types": "~8.3.0"
          }
       },
       "node_modules/@vitest/expect": {
@@ -1702,9 +1702,9 @@
          }
       },
       "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": "8.3.0",
+         "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 c0bf5d20..b44860cc 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
       "@actions/tool-cache": "^4.0.0"
    },
    "devDependencies": {
-      "@types/node": "^25.9.3",
+      "@types/node": "^26.0.0",
       "esbuild": "^0.28.1",
       "husky": "^9.1.7",
       "prettier": "3.8.4",