diff --git a/Gemfile b/Gemfile
index 2ad53d6..3f88e56 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 gemspec
 
 group :test do
-  gem 'awesome_print'
+  gem 'amazing_print'
   gem 'simplecov', '< 0.18', require: false
   gem 'timecop'
   gem 'yard'
diff --git a/README.md b/README.md
index f273ee1..e3245f9 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Ougai
 
 A structured logging system is capable of handling a message, structured data or an exception easily.
 It has JSON formatters compatible with [Bunyan](https://github.com/trentm/node-bunyan) or [pino](https://github.com/pinojs/pino) for Node.js and
-human readable formatter with [Awesome Print](https://github.com/awesome-print/awesome_print) for console.
+human readable formatter with [Awesome Print](https://github.com/awesome-print/amazing_print) for console.
 
 ## Installation
 
@@ -335,10 +335,10 @@ If you use *Ougai::Formatters::Pino*, you can use command [pino](https://github.
 
 ## Use human Readable formatter for console
 
-Add awesome_print to Gemfile and `bundle`
+Add amazing_print to Gemfile and `bundle`
 
 ```ruby
-gem 'awesome_print'
+gem 'amazing_print'
 ```
 
 Set *Ougai::Formatters::Readable* instance to `formatter` accessor
diff --git a/lib/ougai/formatters/readable.rb b/lib/ougai/formatters/readable.rb
index 0092253..8e90454 100644
--- a/lib/ougai/formatters/readable.rb
+++ b/lib/ougai/formatters/readable.rb
@@ -4,7 +4,7 @@
 
 module Ougai
   module Formatters
-    # A human readble formatter with awesome_print
+    # A human readble formatter with amazing_print
     # @attr [Boolean] plain Whether log should be plain not colorized.
     # @attr [Array<String, Symbol>] excluded_fields The fields excluded from all logs
     class Readable < Base
@@ -87,9 +87,9 @@ def create_data_str(data)
       end
 
       def load_dependent
-        require 'awesome_print'
+        require 'amazing_print'
       rescue LoadError
-        puts 'You must install the awesome_print gem to use this output.'
+        puts 'You must install the amazing_print gem to use this output.'
         raise
       end
     end