diff --git a/README.md b/README.md
index 5a05166..cbe2738 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ It's purpose is to be a bridge between a CAN-Bus and a HTTP-Server.
 
 
 # Software requirement
-esp-idf v4.4 or later.   
+esp-idf v4.4/v5.0.   
 This is because this version supports ESP32-C3.   
 
 # Hardware requirements