diff --git a/requirements.txt b/requirements.txt
index c0362b6..d118e56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ numpy==1.18.4
 pandas==1.3.3
 parameterized==0.6.1
 pluggy==0.6.0
-py==1.5.2
+py==1.10.0
 pycodestyle==2.3.1
 pyflakes==1.6.0
 pytest==3.4.1