diff --git a/Gemfile b/Gemfile
index 38b463f..5063f8e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem "nanoc", "~> 4.12"
 ##
 # filters
 gem "nanoc-gzip.rb"
-gem "nanoc-webpack.rb"
+gem "nanoc-webpack.rb", "~> 0.10.3"
 gem "nanoc-tidy.rb", "~> 0.8"
 gem "rainpress", "~> 1.0"
 gem "sass", "~> 3.7"
diff --git a/Gemfile.lock b/Gemfile.lock
index 8018632..f66cbdd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,7 +64,7 @@ GEM
       nanoc (~> 4.12)
     nanoc-tidy.rb (0.8.0)
       test-cmd.rb (~> 0.12.2)
-    nanoc-webpack.rb (0.10.1)
+    nanoc-webpack.rb (0.10.3)
       ryo.rb (~> 0.5)
       test-cmd.rb (~> 0.12.2)
     nio4r (2.7.1)
@@ -111,7 +111,7 @@ GEM
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.30.0, < 2.0)
     ruby-progressbar (1.13.0)
-    ryo.rb (0.5.1)
+    ryo.rb (0.5.3)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
@@ -157,7 +157,7 @@ DEPENDENCIES
   nanoc (~> 4.12)
   nanoc-gzip.rb
   nanoc-tidy.rb (~> 0.8)
-  nanoc-webpack.rb
+  nanoc-webpack.rb (~> 0.10.3)
   paint (~> 2.3)
   rainpress (~> 1.0)
   ryo.rb
diff --git a/Rules b/Rules
index f936ed5..bf5aa5d 100644
--- a/Rules
+++ b/Rules
@@ -2,7 +2,7 @@
 # frozen_string_literal: true
 
 ##
-# requires
+# Requires
 require "ryo"
 require "ryo/json"
 require "nanoc-gzip"
@@ -10,12 +10,12 @@ require "nanoc-webpack"
 require "nanoc-tidy"
 
 ##
-# variables
+# Configuration
 locales    = %w[ar fa en]
 json_dir   = File.join(Dir.getwd, "src", "json")
-name_by_id = Ryo.from_json_file("#{json_dir}/nameById.json")
-tdata    = Ryo.from_json_file("#{json_dir}/t.json")
-buildenv = ENV["buildenv"] || "development"
+name_by_id = Ryo.from_json(path: File.join(json_dir, "nameById.json"))
+tdata      = Ryo.from_json(path: File.join(json_dir, "t.json"))
+buildenv   = ENV["buildenv"] || "development"
 
 ##
 # DSL extensions
@@ -23,7 +23,7 @@ Nanoc::RuleDSL::CompilationRuleContext.prepend(Nanoc::RuleDSL::Filter)
 Nanoc::RuleDSL::CompilerDSL.prepend(Nanoc::RuleDSL::RequireRules)
 
 ##
-# plugins
+# Plugins
 Nanoc::Webpack
   .default_argv
   .concat ["--config", "webpack.#{buildenv}.js"]
@@ -32,7 +32,7 @@ Nanoc::Tidy
   .concat ["-upper"]
 
 ##
-# see packages/typescript/postman
+# See packages/typescript/postman
 compile "/css/vendor/postman.scss" do
   filter :sass, syntax: :scss, style: :compact
   filter :rainpress
@@ -58,7 +58,7 @@ end
 passthrough "/json/durations/*.json"
 
 ##
-# require rules
+# Require rules
 require_rules "nanoc/rules/assets"
 require_rules "nanoc/rules/redirect", {locales:}
 require_rules "nanoc/rules/random", {locales:, tdata:}
@@ -66,6 +66,6 @@ require_rules "nanoc/rules/stream", {locales:, tdata:, name_by_id:}
 require_rules "nanoc/rules/index", {locales:, tdata:}
 
 ##
-# defaults
+# Catch-all
 compile("/**/*") { write(nil) }
 layout("**/*", :erb)
diff --git a/nanoc/lib/mixin/t.rb b/nanoc/lib/mixin/t.rb
index caf6924..649fbd8 100644
--- a/nanoc/lib/mixin/t.rb
+++ b/nanoc/lib/mixin/t.rb
@@ -9,7 +9,7 @@ module Mixin::T
   def tdata
     @tdata ||= begin
       path = File.join(Dir.getwd, "src", "json", "t.json")
-      Ryo.from_json_file(path)
+      Ryo.from_json(path:)
     end
   end
 end