diff --git a/composer.json b/composer.json
index 0395583..fa7f5cb 100644
--- a/composer.json
+++ b/composer.json
@@ -18,16 +18,16 @@
         "php": "^7.3",
         "ext-json": "*",
         "aws/aws-sdk-php": "^3.127",
-        "symfony/messenger": "^5.0",
-        "symfony/config": "^5.0",
-        "symfony/dependency-injection": "^5.0",
-        "symfony/http-kernel": "^5.0",
-        "symfony/yaml": "^5.0"
+        "symfony/messenger": "^4.3|^5.0",
+        "symfony/config": "^4.3|^5.0",
+        "symfony/dependency-injection": "^4.3|^5.0",
+        "symfony/http-kernel": "^4.3|^5.0",
+        "symfony/yaml": "^4.3|^5.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.0",
         "mnapoli/hard-mode": "^0.2.0",
         "phpstan/phpstan": "^0.12.0",
-        "symfony/framework-bundle": "^5.0"
+        "symfony/framework-bundle": "^4.3|^5.0"
     }
 }