diff --git a/Gemfile.lock b/Gemfile.lock
index 8df4312c0..6a71f3817 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -112,7 +112,7 @@ GEM
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.30.0, < 2.0)
     ruby-progressbar (1.13.0)
-    ryo.rb (0.5.3)
+    ryo.rb (0.5.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
diff --git a/Rules b/Rules
index 7ded24776..697f8d3bd 100644
--- a/Rules
+++ b/Rules
@@ -5,6 +5,7 @@
 # Requires
 require "ryo"
 require "ryo/json"
+require "ryo/yaml"
 require "nanoc-gzip"
 require "nanoc-webpack"
 require "nanoc-tidy"
diff --git a/nanoc/lib/mixin.rb b/nanoc/lib/mixin.rb
index 7f9241748..7e2acc8f2 100644
--- a/nanoc/lib/mixin.rb
+++ b/nanoc/lib/mixin.rb
@@ -48,11 +48,7 @@ module Mixin
   # @return [Ryo::Object]
   #  Returns the contents of nanoc.yaml as a Ryo object
   def nanoc
-    return @nanoc if defined?(@nanoc)
-    @nanoc = begin
-      path = File.join(Dir.getwd, "nanoc.yaml")
-      Ryo.from YAML.load_file(path)
-    end
+    @nanoc ||= Ryo.from_yaml(path: File.join(Dir.getwd, "nanoc.yaml"))
   end
 
   include T