diff --git a/requirements.txt b/requirements.txt
index f6cf46a..80ba44b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Jinja2==2.10.1
 MarkupSafe==1.1.1
 praw==6.3.1
 requests==2.22.0
-six==1.12.0
+six==1.15.0
 update-checker==0.16
 urllib3==1.25.3
 Werkzeug==0.15.4