diff --git a/Gemfile b/Gemfile
index 520c052b..3bb627a6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,11 +7,14 @@ gemspec
 gem 'haml', github: 'haml/haml'
 
 gem 'benchmark-ips', '2.3.0'
-gem 'lineprof'
-gem 'stackprof'
 gem 'minitest-line'
 gem 'pry-byebug'
 
 if File.exist?('hamlit1')
   gem 'hamlit1', path: 'hamlit1'
 end
+
+if RUBY_VERSION >= '2.1.0'
+  gem 'lineprof'
+  gem 'stackprof'
+end