diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9d35887..634569e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,7 +16,7 @@ py==1.8.0
 pytest==5.4.1
 more-itertools==8.0.0
 importlib-metadata==1.6.0
-six==1.13.0
+six==1.17.0
 zipp==3.1.0
 pytest-mock==1.13.0
 #Coverage