diff --git a/backend/requirements.txt b/backend/requirements.txt
index b1aefa5..b1d7bf0 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -6,7 +6,7 @@ langgraph>=0.0.30
 langchain-core>=0.1.30
 google-genai>=0.1.1
 google-generativeai>=0.4.1
-httpx>=0.27.0
+httpx>=0.28.1
 python-multipart>=0.0.9
 docker>=7.0.0
 pytest>=8.0.0