diff --git a/composer.json b/composer.json
index 0579967..2fd56f0 100644
--- a/composer.json
+++ b/composer.json
@@ -19,9 +19,9 @@
         "illuminate/events": "5.6.*|5.7.*"
     },
     "require-dev": {
-        "phpunit/phpunit": "~5.0|~6.0|~7.0",
-        "mockery/mockery": "~0.9.0",
-        "orchestra/testbench": "~3.1"
+        "phpunit/phpunit": "^7.0",
+        "mockery/mockery": "^1.0",
+        "orchestra/testbench": "^3.6"
     },
     "autoload": {
         "psr-4": {