diff --git a/requirements.txt b/requirements.txt
index 86282a3..a3b26ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ Pygments==2.5.2
 pytz==2019.3
 rcssmin==1.0.6
 rjsmin==1.1.0
-six==1.14.0
+six==1.15.0
 sqlparse==0.3.0
 Unidecode==1.1.1
 virtualenv==20.0.7