diff --git a/cookbook/python-a2a/requirements.txt b/cookbook/python-a2a/requirements.txt
index 33a81e5..137e395 100644
--- a/cookbook/python-a2a/requirements.txt
+++ b/cookbook/python-a2a/requirements.txt
@@ -5,7 +5,7 @@ duckduckgo-search>=7.5.2
 pyyaml>=5.1
 
 # For A2A Server Infrastructure (from common)
-starlette>=0.37.2,<0.38.0
+starlette>=0.37.2,<0.48.0
 uvicorn[standard]>=0.29.0,<0.30.0
 sse-starlette>=1.8.2,<2.0.0
 pydantic>=2.0.0,<3.0.0