diff --git a/scripts/mma_exec.py b/scripts/mma_exec.py
index db672a5..b4444bb 100644
--- a/scripts/mma_exec.py
+++ b/scripts/mma_exec.py
@@ -7,7 +7,7 @@ def get_model_for_role(role: str) -> str:
     if role == 'tier1-orchestrator' or role == 'tier1':
         return 'gemini-3.1-pro-preview'
     elif role == 'tier2-tech-lead' or role == 'tier2':
-        return 'gemini-3.0-flash-preview'
+        return 'gemini-3-flash-preview'
     else:
         return 'gemini-2.5-flash-lite'
 
diff --git a/tests/test_mma_exec.py b/tests/test_mma_exec.py
index f20f024..23e7115 100644
--- a/tests/test_mma_exec.py
+++ b/tests/test_mma_exec.py
@@ -42,7 +42,7 @@ def test_get_role_documents():
 def test_get_model_for_role():
     """Test that get_model_for_role returns the correct model for each role."""
     assert get_model_for_role('tier1-orchestrator') == 'gemini-3.1-pro-preview'
-    assert get_model_for_role('tier2-tech-lead') == 'gemini-3.0-flash-preview'
+    assert get_model_for_role('tier2-tech-lead') == 'gemini-3-flash-preview'
     assert get_model_for_role('tier3-worker') == 'gemini-2.5-flash-lite'
     assert get_model_for_role('tier4-qa') == 'gemini-2.5-flash-lite'
 
@@ -55,7 +55,7 @@ def test_execute_agent():
     prompt = "Write a unit test."
     docs = ["file1.py", "docs/spec.md"]
     
-    expected_gemini_arg = "Activate the mma-tier3-worker skill. Write a unit test. @file1.py @docs/spec.md"
+    expected_gemini_arg = "Use the mma-tier3-worker skill. Write a unit test. @file1.py @docs/spec.md"
     expected_model = "gemini-2.5-flash-lite"
     mock_stdout = "Mocked AI Response"