diff --git a/.gitignore b/.gitignore
index f0c4d7c..7cbee2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,7 +16,6 @@ _site
 #----------------------------------------------------------------------------
 
 public/assets
-.ruby-version
 
 # bundler state
 /.bundle
@@ -30,8 +29,6 @@ db/*.sqlite3
 /tmp/*
 
 # add /config/database.yml if it contains passwords
-/config/database.yml
-/config/secrets.yml
 
 # various artifacts
 **.war
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..a603bb5
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+2.7.5