diff --git a/package-lock.json b/package-lock.json
index b0cafa53..6ec385f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
             "@actions/tool-cache": "^4.0.0"
          },
          "devDependencies": {
-            "@types/node": "^26.4.1",
+            "@types/node": "^26.5.1",
             "esbuild": "^0.28.2",
             "husky": "^9.1.7",
             "prettier": "3.9.6",
@@ -874,13 +874,13 @@
          "license": "MIT"
       },
       "node_modules/@types/node": {
-         "version": "26.4.1",
-         "resolved": "https://registry.npmjs.org/@types/node/-/node-26.4.1.tgz",
-         "integrity": "sha512-k97ENvZWtvA6yqz5/FS6a7duDgOPEeOQOc2iKS/nY6mX6qJUKtLnWzQS+Xj6tXweyj6ZcTAK2Qecetnvi9nCLA==",
+         "version": "26.5.1",
+         "resolved": "https://registry.npmjs.org/@types/node/-/node-26.5.1.tgz",
+         "integrity": "sha512-CzNm2FezW4VR/LjG6yUdiEgLE/rAQ9Slj5gCu/C2VrdcW7I0ahNZ8DRbHT7zOZ6r3ONgd/bsQIeSaoDGrd1C6g==",
          "dev": true,
          "license": "MIT",
          "dependencies": {
-            "undici-types": "~8.3.0"
+            "undici-types": "~8.9.0"
          }
       },
       "node_modules/@typescript/typescript-aix-ppc64": {
@@ -1977,9 +1977,9 @@
          }
       },
       "node_modules/undici-types": {
-         "version": "8.3.0",
-         "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
-         "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
+         "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 4d71b6b6..8ff48e3d 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
       "@actions/tool-cache": "^4.0.0"
    },
    "devDependencies": {
-      "@types/node": "^26.4.1",
+      "@types/node": "^26.5.1",
       "esbuild": "^0.28.2",
       "husky": "^9.1.7",
       "prettier": "3.9.6",