diff --git a/oauth2_server/requirements.txt b/oauth2_server/requirements.txt
index f23d648..f1c8581 100644
--- a/oauth2_server/requirements.txt
+++ b/oauth2_server/requirements.txt
@@ -15,7 +15,7 @@ MarkupSafe==1.1.1
 more-itertools==8.0.0
 packaging==19.2
 pluggy==0.13.1
-py==1.8.0
+py==1.10.0
 PyJWT==1.7.1
 pyparsing==2.4.5
 pyrsistent==0.15.6