diff --git a/Gemfile b/Gemfile
index d01a1364..c5124238 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,6 @@ source 'https://rubygems.org'
 
 gemspec
 
-gem 'adamantium',          :git => 'https://github.com/dkubb/adamantium.git'
 gem 'descendants_tracker', :git => 'https://github.com/dkubb/descendants_tracker.git'
 gem 'abstract_class',      :git => 'https://github.com/dkubb/abstract_class.git'
 gem 'equalizer',           :git => 'https://github.com/dkubb/equalizer.git'
diff --git a/mutant.gemspec b/mutant.gemspec
index 2ac404fe..a5dde508 100644
--- a/mutant.gemspec
+++ b/mutant.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency('ice_nine',            '~> 0.5.0')
   gem.add_runtime_dependency('descendants_tracker', '~> 0.0.1')
   gem.add_runtime_dependency('backports',           '~> 2.6')
-  gem.add_runtime_dependency('adamantium',          '~> 0.0.1')
+  gem.add_runtime_dependency('adamantium',          '~> 0.0.3')
   gem.add_runtime_dependency('equalizer',           '~> 0.0.1')
   gem.add_runtime_dependency('abstract_class',      '~> 0.0.1')
   gem.add_runtime_dependency('diff-lcs',            '~> 1.1.3')