diff --git a/README.md b/README.md
index bbdb253..ebcd8be 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Synapse-Docker-Compose
+# Vaultwarden Docker-Compose
 Vaultwarden Docker-Compose
 
 1. Update `docker-compose.yml`
diff --git a/docker-compose.yml b/docker-compose.yml
index 9f798b7..cfc996b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,6 +13,7 @@ services:
       - vaultwarden:/data
     networks:
       - vaultwarden
+      - postgres
     read_only: true
     security_opt:
       - no-new-privileges:true
@@ -45,7 +46,7 @@ services:
       - CAP_NET_BIND_SERVICE
 
   postgres:
-    image: postgres:alpine
+    image: docker.io/postgres-15:alpine
     container_name: postgres
     volumes:
       - postgres:/var/lib/postgresql/data
@@ -53,8 +54,8 @@ services:
       - POSTGRES_USER=vaultwarden
       - POSTGRES_PASSWORD=YOUR_POSTGRESQL_PASSWORD
     restart: unless-stopped
-    networks: 
-      - vaultwarden
+    networks:
+      - postgres
     user: "70:70"
     read_only: true
     tmpfs:
@@ -65,8 +66,9 @@ services:
       - ALL
 
 volumes:
-  postgres:
   vaultwarden:
+  postgres:
 
 networks:
-  vaultwarden:
\ No newline at end of file
+  vaultwarden:
+  postgres: