diff --git a/requirements.txt b/requirements.txt
index 8700677..0a2529d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ more-itertools==6.0.0
 numpy==1.16.1
 pkg-resources==0.0.0
 pluggy==0.8.1
-py==1.7.0
+py==1.10.0
 pyparsing==2.3.1
 pytest==4.2.1
 pytest-cov==2.6.1