diff --git a/postgresql/docker-compose.yaml b/postgresql/docker-compose.yaml
index 1dd5ca0..177d406 100644
--- a/postgresql/docker-compose.yaml
+++ b/postgresql/docker-compose.yaml
@@ -32,7 +32,7 @@ services:
     ports:
       - "${PGADMIN_PORT}:80"
     volumes:
-      - /root/containers/pgadmin/data:/var/lib/pgadmin
+      - /root/containers/pgadmin:/var/lib/pgadmin
     depends_on:
       - postgresql
 
@@ -42,4 +42,5 @@ volumes:
 
 networks:
   postgresql-network:
+    external: true
     name: postgresql-network