diff --git a/composer.json b/composer.json
index ef8d0a84f38..aa183b888d3 100644
--- a/composer.json
+++ b/composer.json
@@ -58,7 +58,8 @@
     "config": {
         "allow-plugins": {
             "phpstan/extension-installer": true,
-            "composer/package-versions-deprecated": true
+            "composer/package-versions-deprecated": true,
+            "php-http/discovery": true
         }
     }
 }