diff --git a/examples/models/llama/config/test_llm_config.py b/examples/models/llama/config/test_llm_config.py
index 0853e9dbbd8..2e8e0591184 100644
--- a/examples/models/llama/config/test_llm_config.py
+++ b/examples/models/llama/config/test_llm_config.py
@@ -94,7 +94,7 @@ def test_valid_llm_config(self):
             backend=BackendConfig(
                 xnnpack=XNNPackConfig(enabled=False),
                 coreml=CoreMLConfig(
-                    enabled=True, ios=17, compute_units=CoreMLComputeUnit.ALL
+                    enabled=True, ios=17, compute_units=CoreMLComputeUnit.cpu_only
                 ),
             ),
         )