diff --git a/managed-agentcore/requirements.txt b/managed-agentcore/requirements.txt
index 49dc734..2085103 100644
--- a/managed-agentcore/requirements.txt
+++ b/managed-agentcore/requirements.txt
@@ -59,7 +59,7 @@ requests==2.34.2
 tornado==6.5.6
 orjson==3.11.9
 protobuf==5.29.6
-mistune==3.2.1
+mistune==3.3.0
 pygments==2.20.0
 python-multipart==0.0.32
 langchain-core==1.4.0