diff --git a/doc/_support/converter/.gitignore b/doc/_support/converter/.gitignore
new file mode 100644
index 00000000..d880d8c5
--- /dev/null
+++ b/doc/_support/converter/.gitignore
@@ -0,0 +1,2 @@
+vendor
+.bundle
diff --git a/doc/_support/converter/Gemfile b/doc/_support/converter/Gemfile
index 674e5826..10f48647 100644
--- a/doc/_support/converter/Gemfile
+++ b/doc/_support/converter/Gemfile
@@ -3,4 +3,5 @@
 source "https://rubygems.org"
 
 gem "asciidoctor"
+gem "rouge"
 #gem "tilt"
diff --git a/doc/_support/converter/Gemfile.lock b/doc/_support/converter/Gemfile.lock
index 5a850753..d6c00bd2 100644
--- a/doc/_support/converter/Gemfile.lock
+++ b/doc/_support/converter/Gemfile.lock
@@ -2,12 +2,14 @@ GEM
   remote: https://rubygems.org/
   specs:
     asciidoctor (2.0.10)
+    rouge (3.17.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   asciidoctor
+  rouge
 
 BUNDLED WITH
-   1.17.2
+   1.17.3
diff --git a/doc/_support/converter/gemset.nix b/doc/_support/converter/gemset.nix
index 1c672f2a..6aea152e 100644
--- a/doc/_support/converter/gemset.nix
+++ b/doc/_support/converter/gemset.nix
@@ -9,4 +9,14 @@
     };
     version = "2.0.10";
   };
+  rouge = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0xl7k5paf66p57sphm4nfa4k86yf93lhdzzr0cv0l4divq12g2pr";
+      type = "gem";
+    };
+    version = "3.17.0";
+  };
 }
\ No newline at end of file