diff --git a/aider/resources/model-settings.yml b/aider/resources/model-settings.yml
index 1046023a3..4504ffffd 100644
--- a/aider/resources/model-settings.yml
+++ b/aider/resources/model-settings.yml
@@ -1397,7 +1397,7 @@
   overeager: true
   edit_format: diff-fenced
   use_repo_map: true
-  weak_model_name: gemini/gemini-2.0-flash
+  weak_model_name: gemini/gemini-2.5-flash-preview-04-17
 
 - name: vertex_ai/gemini-2.5-pro-preview-05-06
   edit_format: diff-fenced