diff --git a/composer.json b/composer.json
index 12abb07..06c834c 100644
--- a/composer.json
+++ b/composer.json
@@ -8,13 +8,13 @@
         "friendsofphp/php-cs-fixer": "*",
         "mockery/mockery": "*",
         "pcov/clobber": "*",
-        "phpcompatibility/php-compatibility": "dev-develop",
+        "phpcompatibility/php-compatibility": "10.0.0-alpha2",
         "phpcsstandards/phpcsutils": "*",
         "phpstan/phpstan": "*",
         "phpunit/phpunit": "*",
         "rector/rector": "*",
         "slevomat/coding-standard": "*",
-        "squizlabs/php_codesniffer": "*"
+        "squizlabs/php_codesniffer": "^3.13"
     },
     "minimum-stability": "stable",
     "prefer-stable": true,