bugsnag-api.gemspec in bugsnag-api-2.0.2 vs bugsnag-api.gemspec in bugsnag-api-2.0.3

@@ -16,16 +16,51 @@
   spec.files         = `git ls-files`.split($/)
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "sawyer", '~> 0.8.1'
+  if RUBY_VERSION < "2.2.0"
+    spec.add_dependency "sawyer", '0.8.1'
 
-  spec.add_development_dependency "rake"
+    spec.add_development_dependency "rake", "< 12.0.0"
+    spec.add_development_dependency "rubocop", "0.41.2"
+    spec.add_development_dependency "faker", "1.3.0"
+
+    # i18n is used by faker
+    spec.add_development_dependency "i18n", "< 1.0.0"
+
+    # crack is used by webmock
+    spec.add_development_dependency "crack", "< 0.4.5"
+  else
+    spec.add_dependency "sawyer", '~> 0.8.1'
+
+    spec.add_development_dependency "rake"
+    spec.add_development_dependency "rubocop", "~> 0.52.1"
+    spec.add_development_dependency "faker", "> 1.7.3"
+  end
+
+  if RUBY_VERSION < "2.0.0"
+    spec.add_development_dependency "json", "< 2.0.0"
+    spec.add_development_dependency "webmock", "2.3.2"
+    spec.add_development_dependency "addressable", "2.3.6"
+
+    # hashdiff is used by webmock
+    spec.add_development_dependency "hashdiff", "< 0.3.8"
+
+    # parser is used by rubocop
+    spec.add_development_dependency "parser", "< 2.5.0"
+  else
+    spec.add_development_dependency "json"
+    spec.add_development_dependency "webmock", "> 2.3.2"
+    spec.add_development_dependency "addressable", "> 2.3.6"
+  end
+
+  # public_suffix is used by addressable & sawyer
+  if RUBY_VERSION < "2.0.0"
+    spec.add_development_dependency "public_suffix", "< 1.5.0"
+  elsif RUBY_VERSION < "2.1.0"
+    spec.add_development_dependency "public_suffix", "< 3.0.0"
+  end
+
   spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "webmock", RUBY_VERSION <= '2.0.0' ? '2.3.2': '>2.3.2'
-  spec.add_development_dependency "addressable", RUBY_VERSION <= '2.0.0' ? '2.3.6': '>2.3.6'
-  spec.add_development_dependency "faker", RUBY_VERSION <= '2.0.0' ? '1.3.0' : '>1.7.3'
   spec.add_development_dependency "vcr", "~> 2.9"
-  spec.add_development_dependency "json"
-  spec.add_development_dependency "rubocop", RUBY_VERSION <= '2.1.0' ? '0.41.2': '~>0.52.1'
 end