diff --git a/tests/v1/e2e/test_spec_decode.py b/tests/v1/e2e/test_spec_decode.py
index 416b582dfaa63..8c904a8cddac4 100644
--- a/tests/v1/e2e/test_spec_decode.py
+++ b/tests/v1/e2e/test_spec_decode.py
@@ -191,8 +191,8 @@ def test_suffix_decoding_acceptance(
     # Expect the acceptance rate to improve.
     assert first_accept_rate < last_accept_rate
 
-    # Heuristic: expect at least 82.5% acceptance rate at the end.
-    assert last_accept_rate > 0.825
+    # Heuristic: expect at least 80.0% acceptance rate at the end.
+    assert last_accept_rate > 0.80
 
     del spec_llm
     torch.cuda.empty_cache()