diff --git a/requirements.txt b/requirements.txt
index 04dffc6..940e858 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ pyflakes==2.1.1
 python-dateutil==2.8.1
 python-dotenv==0.10.3
 python-editor==1.0.4
-six==1.12.0
+six==1.13.0
 SQLAlchemy==1.3.10
 toml==0.10.0
 Werkzeug==0.16.0