diff --git a/requirements.txt b/requirements.txt
index b67c7d9..df9ae63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ h5py==2.9.0
 more-itertools==6.0.0
 numpy==1.16.2
 pluggy==0.9.0
-py==1.8.0
+py==1.10.0
 pytest==4.3.1
 six==1.12.0
 virtualenv==16.4.3