diff --git a/docs/requirements.txt b/docs/requirements.txt
index 287c3c0..33adfc3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -16,7 +16,7 @@ more-itertools==4.3.0
 numpy==1.15.4
 packaging==18.0
 pluggy==0.8.0
-py==1.7.0
+py==1.10.0
 Pygments==2.3.0
 pyparsing==2.3.0
 pytest==4.0.1