diff --git a/correction.py b/correction.py
index 235bc5c..c4e67b1 100644
--- a/correction.py
+++ b/correction.py
@@ -156,7 +156,7 @@ if PROXY_URL:
     os.environ["http_proxy"] = PROXY_URL
     os.environ["https_proxy"] = PROXY_URL
 
-MODEL_ID_pro = "gemini-3-pro-preview"
+MODEL_ID_pro = "gemini-3.1-pro-preview"
 MODEL_ID_flash = "gemini-3-flash-preview"
 api_key="REMOVED_API_KEY"