diff --git a/agents/agent-x/requirements.txt b/agents/agent-x/requirements.txt
index 68b4b3c8..cfc5bc33 100644
--- a/agents/agent-x/requirements.txt
+++ b/agents/agent-x/requirements.txt
@@ -1,4 +1,4 @@
-fastapi==0.136.0
+fastapi==0.139.0
 uvicorn[standard]==0.34.3
 pydantic==2.13.3
 httpx==0.28.1