diff --git a/demos/graphql-demo/requirements-dev.txt b/demos/graphql-demo/requirements-dev.txt
index 987b5d5d..7031b762 100644
--- a/demos/graphql-demo/requirements-dev.txt
+++ b/demos/graphql-demo/requirements-dev.txt
@@ -4,7 +4,7 @@ aiohttp-graphql==1.1.0
 aiodataloader==0.4.0
 faker==33.1.0
 trafaret_config==2.0.2
-graphene==2.1.9
+graphene==3.4.3
 graphql-core==2.3.2
 graphql-ws==0.4.4
 psycopg2-binary==2.9.10