diff --git a/requirements.txt b/requirements.txt
index 05ba0ac..2ecfe2e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-a2a-pack>=0.1.53
+a2a-pack>=0.1.56
 httpx>=0.27
 deepagents>=0.5.0
 langchain>=0.3