diff --git a/requirements.txt b/requirements.txt
index e1d6a89..7964966 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ markupsafe==2.1.1; python_version >= "3.7"
 packaging==21.3; python_version >= "3.6"
 pymysql==1.0.2; python_version >= "3.6"
 pyparsing==3.0.8; python_full_version >= "3.6.8" and python_version >= "3.6"
-python-dotenv==0.20.0; python_version >= "3.5"
+python-dotenv==0.21.0; python_version >= "3.5"
 redis==4.4.0; python_version >= "3.6"
 sqlalchemy==1.4.35; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0"
 webassets==2.0