diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..8d9cf9d
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,4 @@
+source 'https://rubygems.org'
+
+gem 'asciidoctor-revealjs' # latest released version
+gem 'asciidoctor-diagram'
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..33324a8
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,22 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    asciidoctor (2.0.9)
+    asciidoctor-diagram (1.5.16)
+      asciidoctor (>= 1.5.0, < 3.x)
+    asciidoctor-revealjs (2.0.0)
+      asciidoctor (>= 1.5.6, < 2.1)
+      concurrent-ruby (~> 1.0)
+      thread_safe (~> 0.3.5)
+    concurrent-ruby (1.1.5)
+    thread_safe (0.3.6)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  asciidoctor-diagram
+  asciidoctor-revealjs
+
+BUNDLED WITH
+   1.17.2
diff --git a/gemset.nix b/gemset.nix
new file mode 100644
index 0000000..3668aaa
--- /dev/null
+++ b/gemset.nix
@@ -0,0 +1,54 @@
+{
+  asciidoctor = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1bikibswab5wapdpp2j4yc7y6j2b3gcskf944lhil7jwyhdqy9wk";
+      type = "gem";
+    };
+    version = "2.0.9";
+  };
+  asciidoctor-diagram = {
+    dependencies = ["asciidoctor"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1awqqg6m77sxrzkiryd98j60bslcwlkb792ilhgw3gbgipiizqmf";
+      type = "gem";
+    };
+    version = "1.5.16";
+  };
+  asciidoctor-revealjs = {
+    dependencies = ["asciidoctor" "concurrent-ruby" "thread_safe"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "16gk16ym30xyqhl8wphj4a9lz1zgv0m7bf9b0avxz2922l4hr091";
+      type = "gem";
+    };
+    version = "2.0.0";
+  };
+  concurrent-ruby = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1x07r23s7836cpp5z9yrlbpljcxpax14yw4fy4bnp6crhr6x24an";
+      type = "gem";
+    };
+    version = "1.1.5";
+  };
+  thread_safe = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0nmhcgq6cgz44srylra07bmaw99f5271l0dpsvl5f75m44l0gmwy";
+      type = "gem";
+    };
+    version = "0.3.6";
+  };
+}
\ No newline at end of file