diff --git a/composer.json b/composer.json
index ff374bc03..242718871 100644
--- a/composer.json
+++ b/composer.json
@@ -38,6 +38,9 @@
         "phpunit/phpunit": "~9.4.0 || ~9.5.0",
         "weitzman/drupal-test-traits": "^1.5"
     },
+    "conflict": {
+        "drupal/acquia_cms_common": "<1.7.1"
+    },
     "config": {
         "allow-plugins": {
             "composer/installers": true,