diff --git a/Rakefile b/Rakefile
index d03da38..cb7da54 100644
--- a/Rakefile
+++ b/Rakefile
@@ -7,7 +7,7 @@ This.email    = "jeremy@copiousfreetime.org"
 This.homepage = "http://github.com/copiousfreetime/#{ This.name }"
 
 This.ruby_gemspec do |spec|
-  spec.add_dependency( 'addressable', '~> 2.3')
+  spec.add_dependency( 'addressable', '~> 2.7')
 
   spec.add_development_dependency( 'rake'     , '~> 13.0')
   spec.add_development_dependency( 'minitest' , '~> 5.14' )
diff --git a/launchy.gemspec b/launchy.gemspec
index d3be8b6..e946696 100644
--- a/launchy.gemspec
+++ b/launchy.gemspec
@@ -20,22 +20,28 @@ Gem::Specification.new do |s|
   s.licenses = ["ISC".freeze]
   s.rdoc_options = ["--main".freeze, "README.md".freeze, "--markup".freeze, "tomdoc".freeze]
   s.required_ruby_version = Gem::Requirement.new(">= 2.4.0".freeze)
-  s.rubygems_version = "3.1.2".freeze
+  s.rubygems_version = "3.0.3".freeze
   s.summary = "Launchy is helper class for launching cross-platform applications in a fire and forget manner.".freeze
   s.test_files = ["spec/application_spec.rb".freeze, "spec/applications/browser_spec.rb".freeze, "spec/cli_spec.rb".freeze, "spec/detect/host_os_family_spec.rb".freeze, "spec/detect/host_os_spec.rb".freeze, "spec/detect/nix_desktop_environment_spec.rb".freeze, "spec/detect/ruby_engine_spec.rb".freeze, "spec/detect/runner_spec.rb".freeze, "spec/launchy_spec.rb".freeze, "spec/mock_application.rb".freeze, "spec/spec_helper.rb".freeze, "spec/tattle-host-os.yaml".freeze, "spec/version_spec.rb".freeze]
 
   if s.respond_to? :specification_version then
     s.specification_version = 4
-  end
 
-  if s.respond_to? :add_runtime_dependency then
-    s.add_runtime_dependency(%q<addressable>.freeze, ["~> 2.3"])
-    s.add_development_dependency(%q<rake>.freeze, ["~> 13.0"])
-    s.add_development_dependency(%q<minitest>.freeze, ["~> 5.14"])
-    s.add_development_dependency(%q<rdoc>.freeze, ["~> 6.2"])
-    s.add_development_dependency(%q<simplecov>.freeze, ["~> 0.18"])
+    if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
+      s.add_runtime_dependency(%q<addressable>.freeze, ["~> 2.7"])
+      s.add_development_dependency(%q<rake>.freeze, ["~> 13.0"])
+      s.add_development_dependency(%q<minitest>.freeze, ["~> 5.14"])
+      s.add_development_dependency(%q<rdoc>.freeze, ["~> 6.2"])
+      s.add_development_dependency(%q<simplecov>.freeze, ["~> 0.18"])
+    else
+      s.add_dependency(%q<addressable>.freeze, ["~> 2.7"])
+      s.add_dependency(%q<rake>.freeze, ["~> 13.0"])
+      s.add_dependency(%q<minitest>.freeze, ["~> 5.14"])
+      s.add_dependency(%q<rdoc>.freeze, ["~> 6.2"])
+      s.add_dependency(%q<simplecov>.freeze, ["~> 0.18"])
+    end
   else
-    s.add_dependency(%q<addressable>.freeze, ["~> 2.3"])
+    s.add_dependency(%q<addressable>.freeze, ["~> 2.7"])
     s.add_dependency(%q<rake>.freeze, ["~> 13.0"])
     s.add_dependency(%q<minitest>.freeze, ["~> 5.14"])
     s.add_dependency(%q<rdoc>.freeze, ["~> 6.2"])