diff --git a/composer.json b/composer.json
index a8ad80b..ab46475 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
   },
   "require": {
     "php": "^8",
-    "guzzlehttp/guzzle": "^7.8",
+    "guzzlehttp/guzzle": "^6.5.8|^7.4.5",
     "jms/serializer": "^3.28",
     "simple-bus/jms-serializer-bridge": "^6.3.1"
   },