diff --git a/backend/requirements.txt b/backend/requirements.txt
index cb7d151..1e3ad26 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -5,7 +5,7 @@ mcp>=1.0.0
 pydantic>=2.0.0
 httpx>=0.27.0
 sqlmodel>=0.0.27
-python-dotenv==1.2.1
+python-dotenv==1.2.2
 fastmcp>=2.4.0
 langchain==1.1.0
 langgraph==1.0.4