diff --git a/Gemfile b/Gemfile
index e227b00..1f5d010 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 gem 'asciidoctor'
 gem 'asciidoctor-bibtex'
 gem 'asciidoctor-diagram'
-gem 'asciidoctor-foodogsquared-extensions', path: './gems'
+gem 'asciidoctor-foodogsquared-extensions'
 gem 'concurrent-ruby'
 gem 'open-uri-cached'
 gem 'rouge'
diff --git a/Gemfile.lock b/Gemfile.lock
index 6c392f3..57c2896 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,10 +1,3 @@
-PATH
-  remote: gems
-  specs:
-    asciidoctor-foodogsquared-extensions (1.0.0)
-      asciidoctor (~> 2.0)
-      rugged (~> 1.0)
-
 GEM
   remote: https://rubygems.org/
   specs:
@@ -22,6 +15,9 @@ GEM
       rexml
     asciidoctor-diagram-ditaamini (1.0.3)
     asciidoctor-diagram-plantuml (1.2023.5)
+    asciidoctor-foodogsquared-extensions (1.0.0)
+      asciidoctor (~> 2.0)
+      rugged (~> 1.0)
     ast (2.4.2)
     bibtex-ruby (5.1.6)
       latex-decode (~> 0.0)
@@ -85,7 +81,7 @@ DEPENDENCIES
   asciidoctor
   asciidoctor-bibtex
   asciidoctor-diagram
-  asciidoctor-foodogsquared-extensions!
+  asciidoctor-foodogsquared-extensions
   concurrent-ruby
   open-uri-cached
   rake
@@ -97,4 +93,4 @@ DEPENDENCIES
   tilt
 
 BUNDLED WITH
-   2.4.12
+   2.3.26
diff --git a/flake.lock b/flake.lock
index 716c76f..4dbd876 100644
--- a/flake.lock
+++ b/flake.lock
@@ -34,43 +34,10 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1678875422,
-        "narHash": "sha256-T3o6NcQPwXjxJMn2shz86Chch4ljXgZn746c2caGxd8=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "126f49a01de5b7e35a43fd43f891ecf6d3a51459",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs",
-        "ruby-nix": "ruby-nix"
-      }
-    },
-    "ruby-nix": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_2"
-      },
-      "locked": {
-        "lastModified": 1681695382,
-        "narHash": "sha256-RBZnSdx3dnUg3o+FiQVKKeKZN6pntYb19mXnnA5b/i8=",
-        "owner": "sagittaros",
-        "repo": "ruby-nix",
-        "rev": "b1edcbec13c9f15915a900b1fb87d9c3ef1e882b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "sagittaros",
-        "repo": "ruby-nix",
-        "type": "github"
+        "nixpkgs": "nixpkgs"
       }
     },
     "systems": {
diff --git a/flake.nix b/flake.nix
index b5ef8b6..937fb21 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,7 +4,6 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     flake-utils.url = "github:numtide/flake-utils";
-    ruby-nix.url = "github:sagittaros/ruby-nix";
   };
 
   outputs = inputs@{ self, nixpkgs, ... }:
@@ -14,14 +13,7 @@
     in
     inputs.flake-utils.lib.eachSystem systems (system:
       let
-        pkgs = import nixpkgs {
-          inherit system;
-          overlays = overlays ++ [
-            (final: prev: {
-              ruby-nix = inputs.ruby-nix.lib prev;
-            })
-          ];
-        };
+        pkgs = nixpkgs.legacyPackages."${system}";
       in
       {
         devShells.default = import ./shell.nix { inherit pkgs; };
diff --git a/gemset.nix b/gemset.nix
index 412874e..03fdc86 100644
--- a/gemset.nix
+++ b/gemset.nix
@@ -66,10 +66,10 @@
     groups = ["default"];
     platforms = [];
     source = {
-      path = "gems";
-      type = "path";
+      remotes = ["https://rubygems.org"];
+      sha256 = "0jkc89m22fwjc4qn481rxyv5yif2yqqhw3ib4d6qkqcv2a21448g";
+      type = "gem";
     };
-    targets = [];
     version = "1.0.0";
   };
   ast = {
@@ -455,4 +455,4 @@
     targets = [];
     version = "2.4.2";
   };
-}
\ No newline at end of file
+}
diff --git a/shell.nix b/shell.nix
index 8c57af3..23a3e8e 100644
--- a/shell.nix
+++ b/shell.nix
@@ -3,25 +3,22 @@
 with pkgs;
 
 let
-  localGem = ruby-nix {
-    name = "asciidoctor-foodogsquared-extensions";
+  gems = bundlerEnv {
+    name = "foodogsquared-blog-gems";
     ruby = ruby_3_1;
-    gemset = ./gemset.nix;
+    gemdir = ./.;
   };
 
   asciidoctorWrappedWithCustomOptions = writeShellScriptBin "asciidoctor" ''
-    ${lib.getBin localGem.env}/bin/asciidoctor -T ./gems/templates $@
+    ${lib.getBin gems}/bin/asciidoctor -T ./gems/templates $@
   '';
 
   treesitterWithPlugins = (tree-sitter.withPlugins (_: tree-sitter.allGrammars));
 in
 mkShell {
-  buildInputs = [
-    localGem.env
-    localGem.ruby
-  ];
-
   packages = [
+    gems
+    gems.wrappedRuby
     asciidoctorWrappedWithCustomOptions
 
     git