diff --git a/requirements.txt b/requirements.txt
index caadfab2..1709cc34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,8 @@ geoip2>=2.5.0
 geojson>=1.3.5
 graphene==1.4.1
 graphene-sqlalchemy==1.1.1
-graphql-relay>=0.4.5
+graphql-core==1.1
+graphql-relay==0.4.5
 icalendar>=3.11.4
 ipaddress>=1.0.18              ; python_version < '3.3'
 jsonschema>=2.6.0