diff --git a/git_stats.gemspec b/git_stats.gemspec
index c631e70694..8af1f0e838 100644
--- a/git_stats.gemspec
+++ b/git_stats.gemspec
@@ -19,8 +19,8 @@ Gem::Specification.new do |gem|
 
   gem.required_ruby_version = Gem::Requirement.new(">= 1.9.2")
 
-  gem.add_dependency('actionpack', '~> 4.2')
-  gem.add_dependency('activesupport', '~> 4.2')
+  gem.add_dependency('actionpack', '~> 6.0')
+  gem.add_dependency('activesupport', '~> 6.0')
   gem.add_dependency('haml', '~> 5.0')
   gem.add_dependency('i18n', '~> 0.8')
   gem.add_dependency('json_pure', '~> 2.1')