diff --git a/api/requirements.txt b/api/requirements.txt
index f4af07f..9ad3810 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -1,8 +1,8 @@
 Flask~=2.1.2
-python-dotenv==0.20.0
+python-dotenv==0.21.0
 uwsgi==2.0.20
 Flask_SQLAlchemy==2.5.1
-python-dotenv==0.20.0
+python-dotenv==0.21.0
 pymysql==1.0.2
 pyjwt==2.3.0
 apiflask==1.0.0