diff --git a/requirements-dev.txt b/requirements-dev.txt
index 45fa213..32ca3e1 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -24,7 +24,7 @@ packaging==19.0
 pathlib2==2.3.4
 pluggy==0.12.0
 poyo==0.4.2
-py==1.8.0
+py==1.10.0
 pygments==2.4.2
 pyparsing==2.4.0
 pytest-cov==2.7.1