diff --git a/dvp/requirements.txt b/dvp/requirements.txt
index e584d23d..51acdc8a 100644
--- a/dvp/requirements.txt
+++ b/dvp/requirements.txt
@@ -10,6 +10,6 @@ py==1.8.1
 pyparsing==2.4.6
 pytest==4.6.9
 scandir==1.10.0 ; python_version < '3.5'
-six==1.13.0
+six==1.15.0
 wcwidth==0.1.8
 zipp==0.6.0