diff --git a/docs/requirements.txt b/docs/requirements.txt
index f2a14e39..63815faf 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -14,7 +14,7 @@ parsimonious==0.7.0
 pathtools==0.1.2
 pluggy==0.6.0
 port-for==0.3.1
-py==1.5.2
+py==1.10.0
 Pygments==2.2.0
 pyparsing==2.2.0
 pytz==2018.3