usps_flags.gemspec in usps_flags-0.5.4 vs usps_flags.gemspec in usps_flags-0.5.5

@@ -1,11 +1,11 @@
 # frozen_string_literal: false
 
 Gem::Specification.new do |s|
   s.name          = 'usps_flags'
-  s.version       = '0.5.4'
-  s.date          = '2019-07-08'
+  s.version       = '0.5.5'
+  s.date          = '2019-07-19'
   s.summary       = 'Flag generator for United States Power Squadrons'
   s.description   = 'A flag image (PNG, SVG) generator for United States Power Squadrons.'
   s.homepage      = 'http://rubygems.org/gems/usps_flags'
   s.license       = 'GPL-3.0'
   s.authors       = ['Julian Fiander']
@@ -15,10 +15,10 @@
   s.test_files    = `git ls-files -- spec/*`.split("\n")
 
   s.required_ruby_version = '~> 2.5'
 
   s.add_runtime_dependency 'file_utils',    '~> 1.1',  '>= 1.1.2'
-  s.add_runtime_dependency 'mini_magick',   '~> 4.8',  '>= 4.8.0'
+  s.add_runtime_dependency 'mini_magick',   '~> 4.9',  '>= 4.9.4'
   s.add_runtime_dependency 'rubyzip',       '~> 1.2',  '>= 1.2.1'
 
   s.add_development_dependency 'rake',          '~> 12.2', '>= 12.2.1'
   s.add_development_dependency 'rspec',         '~> 3.7',  '>= 3.7.0'
   s.add_development_dependency 'rubocop',       '~> 0.71', '>= 0.71.0'