diff --git a/README.md b/README.md
index 7dcd97b3..bd25918f 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ source env/bin/activate
 ```
 pip install openai-agents
 ```
-
+For LiteLLM support, install with the optional `litellm` group: `pip install 'openai-agents[litellm]`
 For voice support, install with the optional `voice` group: `pip install 'openai-agents[voice]'`.
 
 ## Hello world example