diff --git a/copilot-backend/requirements.txt b/copilot-backend/requirements.txt
index 4d13a8c..5de420f 100644
--- a/copilot-backend/requirements.txt
+++ b/copilot-backend/requirements.txt
@@ -3,7 +3,7 @@ uvicorn[standard]==0.30.6
 pydantic==2.9.2
 pydantic-settings==2.5.2
 openai==1.51.0
-httpx==0.27.2
+httpx==0.28.1
 sse-starlette==2.1.3
 python-multipart==0.0.12
 asyncpg==0.29.0