diff --git a/pkgs/tools/typesetting/asciidoctor/Gemfile b/pkgs/tools/typesetting/asciidoctor/Gemfile
index 32e18b53aa65..a485cb2e12c3 100644
--- a/pkgs/tools/typesetting/asciidoctor/Gemfile
+++ b/pkgs/tools/typesetting/asciidoctor/Gemfile
@@ -4,3 +4,4 @@ gem 'asciidoctor-pdf'
 gem 'coderay'
 gem 'pygments.rb'
 gem 'rouge'
+gem 'tilt'
diff --git a/pkgs/tools/typesetting/asciidoctor/Gemfile.lock b/pkgs/tools/typesetting/asciidoctor/Gemfile.lock
index e7b6b5c4644b..efcee15a4823 100644
--- a/pkgs/tools/typesetting/asciidoctor/Gemfile.lock
+++ b/pkgs/tools/typesetting/asciidoctor/Gemfile.lock
@@ -49,6 +49,8 @@ GEM
     rexml (3.2.5)
     rouge (4.0.0)
     ruby-rc4 (0.1.5)
+    temple (0.10.2)
+    thor (1.2.2)
     treetop (1.6.11)
       polyglot (~> 0.3)
     ttfunk (1.7.0)
@@ -64,4 +66,4 @@ DEPENDENCIES
   rouge
 
 BUNDLED WITH
-   2.3.22
+   2.4.13
diff --git a/pkgs/tools/typesetting/asciidoctor/gemset.nix b/pkgs/tools/typesetting/asciidoctor/gemset.nix
index 9c0f96a0b847..533bcdf7e2f4 100644
--- a/pkgs/tools/typesetting/asciidoctor/gemset.nix
+++ b/pkgs/tools/typesetting/asciidoctor/gemset.nix
@@ -238,6 +238,26 @@
     };
     version = "0.1.5";
   };
+  temple = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "09p32vp94sa1mbr0if0adf02yzc4ns00lsmpwns2xbkncwpzrqm4";
+      type = "gem";
+    };
+    version = "0.10.2";
+  };
+  thor = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0k7j2wn14h1pl4smibasw0bp66kg626drxb59z7rzflch99cd4rg";
+      type = "gem";
+    };
+    version = "1.2.2";
+  };
   treetop = {
     dependencies = ["polyglot"];
     groups = ["default"];