diff --git a/requirements.txt b/requirements.txt
index 47d7f54..6243a38 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 fastapi==0.95.2
 loguru==0.7.0
 pydantic==1.10.7
-python-dotenv==0.21.1
+python-dotenv==1.0.0
 requests==2.31.0
 slack-bolt==1.18.0
 uvicorn==0.22.0