diff --git a/package-lock.json b/package-lock.json
index c6356c1..a04edb5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@actions/exec": "^3.0.0",
         "@actions/github": "^9.1.1",
         "@octokit/graphql-schema": "^15.26.1",
-        "@types/node": "^25.9.0"
+        "@types/node": "^26.1.1"
       },
       "devDependencies": {
         "@eslint/js": "^10.0.1",
@@ -1345,12 +1345,12 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.0.tgz",
-      "integrity": "sha512-AOQwYUNolgy3VosiRqXrACUXTN8nJUtPl7FJXMqZVyxiiCLhQuG3jXKvCS1ALr+Y2OmZhzzLVlYPEqJaiqkaJQ==",
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
+      "integrity": "sha512-nxAkRSVkN1Y0JC1W8ky/fTfkGsMmcrRsbx+3XoZE+rMOX71kLYTV7fLXpqud1GpbpP5TuffXFqfX7fH2GgZREw==",
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
@@ -3238,9 +3238,9 @@
       }
     },
     "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==",
       "license": "MIT"
     },
     "node_modules/universal-user-agent": {
diff --git a/package.json b/package.json
index 0b02e13..aa3b33c 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "@actions/exec": "^3.0.0",
     "@actions/github": "^9.1.1",
     "@octokit/graphql-schema": "^15.26.1",
-    "@types/node": "^25.9.0"
+    "@types/node": "^26.1.1"
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",