diff --git a/dvp/requirements.txt b/dvp/requirements.txt
index d742b1d5..07151a38 100644
--- a/dvp/requirements.txt
+++ b/dvp/requirements.txt
@@ -6,7 +6,7 @@ more-itertools==5.0.0 ; python_version <= '2.7'
 packaging==20.0
 pathlib2==2.3.5 ; python_version < '3'
 pluggy==0.13.1
-py==1.8.1
+py==1.9.0
 pyparsing==2.4.6
 pytest==4.6.11
 scandir==1.10.0 ; python_version < '3.5'