diff --git a/package.json b/package.json
index 978023d..feb0ff6 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,6 @@
   "license": "MIT",
   "repository": "component/flatten.js",
   "dependencies": {
-    "semver": "^2.2.1"
+    "semver": "^6.3.0"
   }
 }