diff --git a/requirements_dev.txt b/requirements_dev.txt
index bcd66a7..d62838d 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -15,7 +15,7 @@ more-itertools==7.2.0
 packaging==19.0
 pkginfo==1.5.0.1
 pluggy==0.12.0
-py==1.8.0
+py==1.10.0
 Pygments==2.7.4
 pyparsing==2.4.0
 python-dateutil==2.8.0