diff --git a/docker-compose.yml b/docker-compose.yml
index 1cf3a24..34cf717 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,7 +10,7 @@ services:
   #    - /var/run/docker.sock:/var/run/docker.sock
 
   postgres:
-    image: postgres:latest
+    image: postgres:13
     environment:
       - POSTGRES_USER=synapse
       - POSTGRES_PASSWORD