diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 7c55a2a..1bd5c20
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ more-itertools==4.3.0
 packaging==17.1
 pathtools==0.1.2
 pluggy==0.7.1
-py==1.6.0
+py==1.10.0
 Pygments==2.2.0
 pyparsing==2.2.0
 pytest==3.8.0