diff --git a/requirements.txt b/requirements.txt
index 22391af6..0dd8496c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ django-webpack-loader==0.6.0
 Django==1.11.20
 djangorestframework==3.6.4
 graphene-django==2.2.0
-graphene==2.1.3
+graphene==2.1.6
 graphql-core==2.1.0
 graphql-relay==0.4.5
 icalendar==4.0.3