diff --git a/docker/docker-compose.dev.yml b/docker/docker-compose.dev.yml
index 76dc07e3a..77216cde5 100644
--- a/docker/docker-compose.dev.yml
+++ b/docker/docker-compose.dev.yml
@@ -12,6 +12,8 @@ services:
     volumes:
       - ../openslides-datastore-service/shared/shared:/app/shared
       - ../openslides-datastore-service/reader/reader:/app/reader
+    ports:
+      - 9010:9010
   datastore-writer:
     image: openslides-datastore-writer-dev
     depends_on: