diff --git a/composer.json b/composer.json
index 4315f71..d0f9bc8 100644
--- a/composer.json
+++ b/composer.json
@@ -21,12 +21,12 @@
     ],
     "require": {
         "php": ">=7.0",
-        "illuminate/support": "5.5.*|5.6.*",
-        "illuminate/validation": "5.5.*|5.6.*"
+        "illuminate/support": "5.5.*|5.6.*|5.7.*",
+        "illuminate/validation": "5.5.*|5.6.*|5.7.*"
     },
     "require-dev": {
-        "orchestra/testbench": "~3.5",
-        "phpunit/phpunit": "~6.0",
+        "orchestra/testbench": "3.5.*|3.6.*|3.7.*",
+        "phpunit/phpunit": "^6.0|^7.0",
         "squizlabs/php_codesniffer": "^3.0"
     },
     "autoload": {