diff --git a/dendronet_legacy/requirements.txt b/dendronet_legacy/requirements.txt
index cda78a0..e26ee54 100644
--- a/dendronet_legacy/requirements.txt
+++ b/dendronet_legacy/requirements.txt
@@ -58,7 +58,7 @@ pluggy==0.6.0
 prompt-toolkit==1.0.15
 protobuf==3.0.0
 psutil==5.4.2
-py==1.5.2
+py==1.10.0
 pycairo==1.16.2
 pycrypto==2.6.1
 pycups==1.9.73