diff --git a/aws-only/workshop/l3-orchestration/agents/requirements_order_a2a.txt b/aws-only/workshop/l3-orchestration/agents/requirements_order_a2a.txt
index 7aad297..fe68add 100644
--- a/aws-only/workshop/l3-orchestration/agents/requirements_order_a2a.txt
+++ b/aws-only/workshop/l3-orchestration/agents/requirements_order_a2a.txt
@@ -5,6 +5,6 @@ strands-agents-tools==0.2.0
 fastapi==0.115.0
 uvicorn==0.32.0
 pyyaml==6.0.2
-mcp==1.23.0
+mcp==1.28.1
 httpx==0.27.2
 litellm==1.83.14