diff --git a/requirements-dev.txt b/requirements-dev.txt
index 847f09a..952ea4f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ idna==2.8
 more-itertools==5.0.0
 pkginfo==1.4.2
 pluggy==0.8.0
-py==1.7.0
+py==1.10.0
 Pygments==2.3.1
 pytest==4.0.2
 readme-renderer==24.0