diff --git a/docker-compose-separate-containers.yml b/docker-compose-separate-containers.yml
index a4edb94..5e19fdd 100644
--- a/docker-compose-separate-containers.yml
+++ b/docker-compose-separate-containers.yml
@@ -7,6 +7,7 @@ services:
       - "80:80"
     volumes:
       - /etc/nginx/conf.d
+    network_mode: "bridge"
 
   dockergen:
     image: jwilder/docker-gen
@@ -16,8 +17,10 @@ services:
     volumes:
       - /var/run/docker.sock:/tmp/docker.sock:ro
       - ./nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl
+    network_mode: "bridge"
 
   whoami:
     image: jwilder/whoami
     environment:
       - VIRTUAL_HOST=whoami.local
+    network_mode: "bridge"
diff --git a/docker-compose.yml b/docker-compose.yml
index b76f0c0..d180004 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,8 +7,10 @@ services:
       - "80:80"
     volumes:
       - /var/run/docker.sock:/tmp/docker.sock:ro
+    network_mode: "bridge"
 
   whoami:
     image: jwilder/whoami
     environment:
       - VIRTUAL_HOST=whoami.local
+    network_mode: "bridge"