diff --git a/requirements.txt b/requirements.txt
index 05a3af9..a8244c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -145,7 +145,7 @@ prompt-toolkit==1.0.15
 protobuf==3.5.0
 psutil==5.2.2
 ptyprocess==0.5.2
-py==1.4.34
+py==1.10.0
 pyarrow==0.8.0
 pycodestyle==2.3.1
 pycosat==0.6.3