diff --git a/composer.json b/composer.json
index 1c83325..88ac935 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
 		"ext-redis": "Native PHP extension for Redis connectivity. Credis will automatically utilize when available."
 	},
 	"require-dev": {
-		"phpunit/phpunit": "^7"
+		"phpunit/phpunit": "^7.0"
 	},
 	"bin": [
 		"bin/resque"