diff --git a/docker-compose.yml b/docker-compose.yml
index d370902..f44bcdf 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.9'
 
 services:
   nginx:
-    container_name: ref_test_server
+    container_name: reftest_server
     image: nginx:alpine
     volumes:
       - ./certbot:/etc/letsencrypt:ro
@@ -22,7 +22,7 @@ services:
     command: "/bin/sh -c 'while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g \"daemon off;\"'"
   
   app:
-    container_name: ref_test_app
+    container_name: reftest_app
     image: reftest
     build: ./ref-test
     env_file:
@@ -39,7 +39,7 @@ services:
       - postfix
 
   postfix:
-    container_name: ref_test_postfix
+    container_name: reftest_postfix
     image: catatnight/postfix:latest
     restart: unless-stopped
     env_file:
@@ -50,7 +50,7 @@ services:
       - backend
   
   certbot:
-    container_name: ref_test_certbot
+    container_name: reftest_certbot
     image: certbot/certbot
     volumes:
       - ./certbot:/etc/letsencrypt