diff --git a/requirements.txt b/requirements.txt
index d04d48d..3ecae60 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ pbkdf2==1.3
 pluggy==0.13.1
 populus==2.2.0
 protobuf==3.11.3
-py==1.8.1
+py==1.10.0
 py-ecc==2.0.0
 py-geth==2.2.0
 py-solc==3.2.0