diff --git a/tests/unified_google_tests/test_vertex_ai_native.py b/tests/unified_google_tests/test_vertex_ai_native.py
index 5c8f8575c4..c2f378523e 100644
--- a/tests/unified_google_tests/test_vertex_ai_native.py
+++ b/tests/unified_google_tests/test_vertex_ai_native.py
@@ -6,5 +6,5 @@ class TestVertexAIGenerateContent(BaseGoogleGenAITest):
     @property
     def model_config(self):
         return {
-            "model": "vertex_ai/gemini-2.5-flash-lite",
+            "model": "vertex_ai/gemini-3-flash-preview",
         }
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