diff --git a/README.md b/README.md
index e0376aa..36fd212 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,8 @@ Gateway supports the Gemini `generateContent` and `streamGenerateContent` method
 2. **Modify Gemini Client Setup**
 
    ```python
+   import os
+   
    from google import genai
 
    client = genai.Client(