diff --git a/composer.json b/composer.json
index 08c7895e6c..a33d608ee1 100644
--- a/composer.json
+++ b/composer.json
@@ -29,6 +29,9 @@
         "phpunit/phpunit": "^8.5.8 || ^9.4",
         "symfony/phpunit-bridge": "^5.1.1"
     },
+    "conflict": {
+        "guzzlehttp/guzzle": "<6.3 || >=7.0,<7.2"
+    },
     "suggest": {
         "aws/aws-sdk-php": "Allow using IAM authentication with Amazon ElasticSearch Service",
         "guzzlehttp/guzzle": "Allow using guzzle as transport",