diff --git a/synapse/docker-compose.yml b/synapse/docker-compose.yml
index d4e82bb..ebc9f98 100644
--- a/synapse/docker-compose.yml
+++ b/synapse/docker-compose.yml
@@ -7,6 +7,8 @@ services:
       - ${MAS_CONFIG_DIR}:/config
     ports:
       - "8090:8090"
+    depends_on:
+      - mas_db
   mas_db:
     image: docker.io/library/postgres:17
     restart: unless-stopped
@@ -35,5 +37,5 @@ services:
       - "8008:8008"
     depends_on:
       - synapse_db
-      - matrix-authentication-service
+      - mas