diff --git a/requirements_dev.txt b/requirements_dev.txt
index a1cee13..1f912a9 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -14,7 +14,7 @@ networkx==2.2
 numpy==1.15.3
 pkginfo==1.4.2
 pluggy==0.9.0
-py==1.8.0
+py==1.10.0
 pycparser==2.19
 Pygments==2.2.0
 pytest==4.3.0