diff --git a/scripts/mma_exec.py b/scripts/mma_exec.py
index b2a6155..5fe38b2 100644
--- a/scripts/mma_exec.py
+++ b/scripts/mma_exec.py
@@ -70,7 +70,7 @@ def get_model_for_role(role: str) -> str:
     elif role == 'tier2-tech-lead' or role == 'tier2':
         return 'gemini-3-flash-preview'
     else:
-        return 'gemini-2.5-flash-lite'
+        return 'gemini-3-flash-preview'
 
 def get_role_documents(role: str) -> list[str]:
     if role == 'tier1-orchestrator' or role == 'tier1':