diff --git a/samples/durable-task-sdks/python/arXiv_research_agent/requirements.txt b/samples/durable-task-sdks/python/arXiv_research_agent/requirements.txt
index dbb590a..bd10c98 100644
--- a/samples/durable-task-sdks/python/arXiv_research_agent/requirements.txt
+++ b/samples/durable-task-sdks/python/arXiv_research_agent/requirements.txt
@@ -27,5 +27,5 @@ pydantic>=2.13.3
 
 # Testing dependencies
 pytest>=9.0.3
-pytest-asyncio>=0.21.0
+pytest-asyncio>=1.4.0
 pytest-cov>=4.0.0