diff --git a/requirements.txt b/requirements.txt
index 5b142e9..b6cf287 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ more-itertools==6.0.0
 networkx==2.2
 numpy==1.16.2
 pluggy==0.9.0
-py==1.8.0
+py==1.10.0
 pyparsing==2.3.1
 pytest==4.3.0
 pytest-mock==1.10.1