diff --git a/docker-compose.swarm.yml b/docker-compose.swarm.yml
index 3d81cf40..dfc437b7 100644
--- a/docker-compose.swarm.yml
+++ b/docker-compose.swarm.yml
@@ -1,4 +1,4 @@
-version: '3.3'
+version: '3.4'
 services:
   redis:
     image: redis:5.0.9