diff --git a/packages/core/package.json b/packages/core/package.json
index 9ab7632..e42c58b 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "@types/mdast": "^4.0.4",
-    "@types/node": "^22.10.5",
+    "@types/node": "^26.1.1",
     "typescript": "^5.7.2",
     "vitest": "^4.1.8"
   }