diff --git a/requirements.txt b/requirements.txt
index f112c82..b602dec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -123,7 +123,7 @@ pluggy==0.6.0
 ply==3.11
 prompt-toolkit==1.0.15
 psutil==5.6.6
-py==1.5.3
+py==1.10.0
 pycodestyle==2.3.1
 pycosat==0.6.3
 pycparser==2.18