diff --git a/requirements.txt b/requirements.txt
index c5e7bdd..3023fc4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ uvicorn[standard]>=0.30.0
 pydantic>=2.7.0
 pytest>=8.2.0
 httpx>=0.27.0
-python-dotenv>=1.0.1
+python-dotenv>=1.2.2
 sqlmodel>=0.0.39
 langgraph>=0.1.0
 langchain-core>=0.2.0