diff --git a/requirements.txt b/requirements.txt
index 2f35502..6f5ab04 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,5 +22,5 @@ python-dateutil==2.8.1
 requests==2.22.0
 s3transfer==0.3.1
 setuptools==44.0.0
-six==1.13.0
+six==1.14.0
 transip==2.0.0