Gemfile in rouge-3.26.0 vs Gemfile in rouge-3.26.1

- old
+ new

@@ -6,9 +6,10 @@
 
 gem 'rake'
 
 gem 'minitest', '>= 5.0'
 gem 'minitest-power_assert'
+gem 'power_assert', '~> 1.2'
 
 gem 'parallel', '~> 1.13.0' if RUBY_VERSION < '2.2.0'
 gem 'rubocop', '~> 0.49.1'
 
 # don't try to install redcarpet under jruby