diff --git a/cookbook/pocketflow-mcp/requirements.txt b/cookbook/pocketflow-mcp/requirements.txt
index e9d3ae9..575636d 100644
--- a/cookbook/pocketflow-mcp/requirements.txt
+++ b/cookbook/pocketflow-mcp/requirements.txt
@@ -1,3 +1,4 @@
 pocketflow>=0.0.1
 openai>=1.0.0
-fastmcp
\ No newline at end of file
+fastmcp
+pyyaml