diff --git a/requirements.txt b/requirements.txt
index 166ffe14..75a45a55 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,7 +62,7 @@ protobuf==3.6.0
 psycopg2==2.7.5
 psycopg2-binary==2.7.5
 ptyprocess==0.5.1
-py==1.5.4
+py==1.10.0
 py-solc==3.0.0
 pyasn1==0.4.4
 pyasn1-modules==0.2.2