diff --git a/.gitignore b/.gitignore
index 29ccef1..bc4d368 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,6 @@ _site
 .jekyll-metadata
 .bundle
 .sass-cache
-Gemfile
 Gemfile.lock
 node_modules
 package.json
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..6550da6
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+2.4.3
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..bce2436
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,2 @@
+source "https://rubygems.org"
+gem 'github-pages'
\ No newline at end of file