diff --git a/README.md b/README.md
index 68bad9f..a09e57c 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
 
 ```{.json}
 "payment/saferpay": "~3.0"
-"payment/httpclient-buzz": "~1.0"
+"payment/httpclient-guzzle": "~1.1"
 ```
 
 #### a simple implementation