diff --git a/package_variants/mainnet/docker-compose.yml b/package_variants/mainnet/docker-compose.yml
index 8ed7dc8..a98e54e 100644
--- a/package_variants/mainnet/docker-compose.yml
+++ b/package_variants/mainnet/docker-compose.yml
@@ -23,13 +23,13 @@ services:
     build:
       args:
         NETWORK: mainnet
-        PGPASSWORD: password
-        POSTGRES_DB: web3signer
+        PGPASSWORD: mainnet
+        POSTGRES_DB: web3signer-mainnet
 
   postgres:
     build:
       dockerfile: Dockerfile.debian
       args:
-        POSTGRES_PASSWORD: password
-        PGPASSWORD: password
-        POSTGRES_DB: web3signer
+        POSTGRES_PASSWORD: mainnet
+        PGPASSWORD: mainnet
+        POSTGRES_DB: web3signer-mainnet