diff --git a/tests/local_testing/test_streaming.py b/tests/local_testing/test_streaming.py
index faaea50cf34..376a2c93012 100644
--- a/tests/local_testing/test_streaming.py
+++ b/tests/local_testing/test_streaming.py
@@ -3715,7 +3715,7 @@ def test_unit_test_perplexity_citations_chunk():
     "model",
     [
         "gpt-3.5-turbo",
-        "claude-3-5-sonnet-20240620",
+        "claude-sonnet-4-5-20250929",
         "anthropic.claude-3-sonnet-20240229-v1:0",
         # "vertex_ai/claude-3-5-sonnet@20240620",
     ],