diff --git a/tests/crew_test.py b/tests/crew_test.py
index 923b35417..d3d715ba1 100644
--- a/tests/crew_test.py
+++ b/tests/crew_test.py
@@ -364,7 +364,7 @@ def test_manager_agent_delegating_to_all_agents():
     crew = Crew(
         agents=[researcher, writer],
         process=Process.hierarchical,
-        manager_llm=ChatOpenAI(temperature=0, model="gpt-4"),
+        manager_llm=ChatOpenAI(temperature=0, model="gpt-4o"),
         tasks=[task],
     )