diff --git a/doc/languages-frameworks/ruby.xml b/doc/languages-frameworks/ruby.xml
index b52361212f3..3c6e4f5e01a 100644
--- a/doc/languages-frameworks/ruby.xml
+++ b/doc/languages-frameworks/ruby.xml
@@ -16,8 +16,7 @@ $ cd sensu
 $ cat > Gemfile
 source 'https://rubygems.org'
 gem 'sensu'
-$ nix-shell -p bundler --command "bundler package --path /tmp/vendor/bundle"
-$ $(nix-build '<nixpkgs>' -A bundix)/bin/bundix
+$ $(nix-build '<nixpkgs>' -A bundix)/bin/bundix --magic
 $ cat > default.nix
 { lib, bundlerEnv, ruby }:
 
diff --git a/pkgs/development/ruby-modules/bundix/default.nix b/pkgs/development/ruby-modules/bundix/default.nix
index 378f148ca6a..42d6ee04b59 100644
--- a/pkgs/development/ruby-modules/bundix/default.nix
+++ b/pkgs/development/ruby-modules/bundix/default.nix
@@ -5,9 +5,9 @@ buildRubyGem rec {
 
   name = "${gemName}-${version}";
   gemName = "bundix";
-  version = "2.0.8";
+  version = "2.1.0";
 
-  sha256 = "0ikpf2g01izadjpdnc4k2rb9v4g11f1jk2y5alxc7n7rxjkwdc66";
+  sha256 = "5a073c59dfc7e2367c47e6513fc8914d27e11c08f82bc1103c4793dfb2837bef";
 
   buildInputs = [bundler];