diff --git a/Gemfile b/Gemfile
new file mode 100644
index 000000000..14208f8fa
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+
+gem 'asciidoctor'
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 000000000..a918c86b0
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,10 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    asciidoctor (2.0.23)
+
+DEPENDENCIES
+  asciidoctor
+
+BUNDLED WITH
+   2.4.22