diff --git a/composer.json b/composer.json
index 9b45e15..6145303 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
   },
   "require-dev": {
     "doctrine/coding-standard": "^4.0",
-    "phpunit/phpunit": "^7.0",
+    "phpunit/phpunit": "^7.2",
     "psr/http-message": "^1.0"
   },
   "config": {