diff --git a/requirements.txt b/requirements.txt
index 0204ba9..db7ed0b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,5 +8,5 @@ neotime==1.7.4
 networkx==2.4
 pytz==2019.1
 requests==2.23.0
-six==1.14.0
+six==1.16.0
 urllib3==1.24.2