diff --git a/package_variants/mainnet/docker-compose.yml b/package_variants/mainnet/docker-compose.yml
index 0f49486..bf013d0 100644
--- a/package_variants/mainnet/docker-compose.yml
+++ b/package_variants/mainnet/docker-compose.yml
@@ -30,7 +30,7 @@ services:
 
   postgres:
     build:
-      dockerfile: Dockerfile.debian
+      dockerfile: Dockerfile.alpine
       args:
         POSTGRES_PASSWORD: mainnet
         PGPASSWORD: mainnet