diff --git a/requirements.txt b/requirements.txt
index 8bd1509..9323af7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -68,7 +68,7 @@ Pebble==4.5.1
 pep8-naming==0.8.2
 pkginfo==1.5.0.1
 pluggy==0.12.0
-py==1.8.0
+py==1.10.0
 py-aiger==3.9.2
 py-aiger-cnf==2.0.0
 pycodestyle==2.5.0