diff --git a/devkey/demo-1/planner_agent/requirements.txt b/devkey/demo-1/planner_agent/requirements.txt
index 80ca851..766288d 100644
--- a/devkey/demo-1/planner_agent/requirements.txt
+++ b/devkey/demo-1/planner_agent/requirements.txt
@@ -1,2 +1,3 @@
 google-adk>=1.28.1
 google-genai>=1.70.0
+mcp>=1.27.0