diff --git a/.gitignore b/.gitignore
index 04b8703..277a61d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
-postgres/data/
+postgres/data-12/
 mysql/data/
 
diff --git a/mailhog/docker-compose.yml b/mailhog/docker-compose.yml
index ea08d70..e1ca2d2 100644
--- a/mailhog/docker-compose.yml
+++ b/mailhog/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '2'
+version: '3'
 
 services:
   mailhog: