diff --git a/composer.json b/composer.json
index 4764058..e8a7ccd 100644
--- a/composer.json
+++ b/composer.json
@@ -21,10 +21,10 @@
         "monolog/monolog": "^3.6",
         "nyholm/psr7": "^1.8",
         "php-http/mock-client": "^1.6",
-        "phpunit/phpunit": "^10.5",
-        "symfony/cache": "^6.4",
-        "symfony/http-client": "^6.4",
-        "symfony/var-dumper": "^6.4"
+        "phpunit/phpunit": "^9.6|^10.5",
+        "symfony/cache": "^5.4|^6.4",
+        "symfony/http-client": "^5.4|^6.4",
+        "symfony/var-dumper": "^5.4|^6.4"
     },
     "provide": {
         "psr/http-client-implementation": "1.0",