diff --git a/README.md b/README.md
index c0f99532c..4fca00f70 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ You'll need a digital certificate (.crt) and private key (.key) to authenticate
 Provisionally, you can use author's testing certificate/key:
 
 ```
-wget https://www.sistemasagiles.com.ar/soft/pyafipws/reingart.zip
+wget https://www.sistemasagiles.com.ar/soft/pyafipws/reingart2021.zip
 unzip reingart.zip
 ```