diff --git a/requirements_dev.txt b/requirements_dev.txt
index eb17b0a..c49faa7 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -43,7 +43,7 @@ pkginfo==1.4.2
 pluggy==0.6.0
 psycopg2==2.7.4
 punch.py==1.5.0
-py==1.5.3
+py==1.10.0
 pycodestyle==2.3.1
 pycparser==2.18
 pydocstyle==2.1.1