diff --git a/tests/providers/test_anthropic_thinking.py b/tests/providers/test_anthropic_thinking.py
index 12de5284..547a4817 100644
--- a/tests/providers/test_anthropic_thinking.py
+++ b/tests/providers/test_anthropic_thinking.py
@@ -101,17 +101,17 @@ def test_opus_4_8_omits_temperature_none() -> None:
 
 
 def test_fable_omits_temperature_adaptive() -> None:
-    kw = _build(_make_provider("claude-fable-1"), "adaptive")
+    kw = _build(_make_provider("claude-fable-5"), "adaptive")
     assert "temperature" not in kw
 
 
 def test_fable_omits_temperature_enabled() -> None:
-    kw = _build(_make_provider("claude-fable-1"), "high", max_tokens=4096)
+    kw = _build(_make_provider("claude-fable-5"), "high", max_tokens=4096)
     assert "temperature" not in kw
 
 
 def test_fable_omits_temperature_none() -> None:
-    kw = _build(_make_provider("claude-fable-1"), None)
+    kw = _build(_make_provider("claude-fable-5"), None)
     assert "temperature" not in kw