diff --git a/samples/durable-task-sdks/python/agent-directed-workflows/requirements.txt b/samples/durable-task-sdks/python/agent-directed-workflows/requirements.txt
index 98e96a1..ec19436 100644
--- a/samples/durable-task-sdks/python/agent-directed-workflows/requirements.txt
+++ b/samples/durable-task-sdks/python/agent-directed-workflows/requirements.txt
@@ -1,7 +1,7 @@
 durabletask>=1.4.0
 durabletask-azuremanaged>=1.4.0
 fastapi>=0.136.1
-uvicorn>=0.46.0
+uvicorn>=0.48.0
 redis>=8.0.0
 openai>=2.40.0
 azure-identity>=1.25.3
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 fe0c2c5..f3b8d88 100644
--- a/samples/durable-task-sdks/python/arXiv_research_agent/requirements.txt
+++ b/samples/durable-task-sdks/python/arXiv_research_agent/requirements.txt
@@ -11,7 +11,7 @@ azure-identity>=1.25.3
 
 # FastAPI for REST API
 fastapi>=0.136.1
-uvicorn>=0.46.0
+uvicorn>=0.48.0
 
 # HTTP client
 httpx>=0.26.0