diff --git a/middleman-cli/middleman-cli.gemspec b/middleman-cli/middleman-cli.gemspec
index f2719efc..e9447a9c 100644
--- a/middleman-cli/middleman-cli.gemspec
+++ b/middleman-cli/middleman-cli.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |s|
   s.test_files   = `git ls-files -z -- {fixtures,features}/*`.split("\0")
   s.executable   = 'middleman'
   s.require_path = 'lib'
-  s.required_ruby_version = '>= 2.0.0'
+  s.required_ruby_version = '>= 2.2.0'
 
   # CLI
   s.add_dependency('thor', ['>= 0.17.0', '< 2.0'])
diff --git a/middleman-core/middleman-core.gemspec b/middleman-core/middleman-core.gemspec
index a0427b1d..81f7712a 100644
--- a/middleman-core/middleman-core.gemspec
+++ b/middleman-core/middleman-core.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.files        = `git ls-files -z`.split("\0")
   s.test_files   = `git ls-files -z -- {fixtures,features}/*`.split("\0")
   s.require_path = 'lib'
-  s.required_ruby_version = '>= 2.0.0'
+  s.required_ruby_version = '>= 2.2.0'
 
   # Core
   s.add_dependency('bundler', ['~> 1.1'])
diff --git a/middleman/middleman.gemspec b/middleman/middleman.gemspec
index 06dd3144..a172005f 100644
--- a/middleman/middleman.gemspec
+++ b/middleman/middleman.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.files        = `git ls-files -z`.split("\0")
   s.test_files   = `git ls-files -z -- {fixtures,features}/*`.split("\0")
   s.require_path = 'lib'
-  s.required_ruby_version = '>= 2.0.0'
+  s.required_ruby_version = '>= 2.2.0'
 
   s.add_dependency('middleman-core', Middleman::VERSION)
   s.add_dependency('middleman-cli', Middleman::VERSION)