diff --git a/composer.json b/composer.json
index cefccda..2b4b185 100644
--- a/composer.json
+++ b/composer.json
@@ -41,7 +41,8 @@
         }
     },
     "provide": {
-        "php-http/client-implementation": "1.0"
+        "php-http/client-implementation": "1.0",
+        "php-http/async-client-implementation": "1.0"
     },
     "scripts": {
         "test": "vendor/bin/phpunit",