diff --git a/package-lock.json b/package-lock.json
index 7a3be9f..f61bbc6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.1.0",
       "license": "MIT",
       "devDependencies": {
-        "@types/node": "^24.3.0",
+        "@types/node": "^26.6.4",
         "typescript": "^5.9.2"
       },
       "engines": {
@@ -17,13 +17,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "24.19.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.19.1.tgz",
-      "integrity": "sha512-aS3/DG0oM05K0RIXXP+hKjinGG5IgSSVGzswZxW3O0sS3pH4/fycXundUC9XsszgKCk4gHXylTEK6hyFxVxnoQ==",
+      "version": "26.6.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.4.tgz",
+      "integrity": "sha512-ldVPDCzj7fsaGZrLB0NuHuTvJcsNasysBAqMolr/cgxrLd1xbqxIr3XJiPnHHJUCxj5sNF1vnRj9aWnrVh5Jcg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/typescript": {
@@ -41,9 +41,9 @@
       }
     },
     "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 5a5b154..2a9a546 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "apply": "node src/cli.ts apply"
   },
   "devDependencies": {
-    "@types/node": "^24.3.0",
+    "@types/node": "^26.6.4",
     "typescript": "^5.9.2"
   }
 }