diff --git a/composer.json b/composer.json
index c499e44..2128726 100644
--- a/composer.json
+++ b/composer.json
@@ -31,6 +31,6 @@
   },
   "require-dev": {
     "codeception/base": "~2.1",
-    "codeception/aspect-mock": "~0.5"
+    "codeception/aspect-mock": "~4.0"
   }
 }