diff --git a/package.json b/package.json
index c871b3b..c82071e 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
   "devDependencies": {
     "ava": "0.25.0",
     "coveralls": "3.0.0",
-    "micro-dev": "2.2.0",
+    "micro-dev": "2.2.1",
     "nsp": "3.2.1",
     "nyc": "11.6.0",
     "standard": "11.0.0",