Stop testing on 1.8, it might work though

.travis.yml

@@ -4,7 +4,6 @@ language: ruby
 
 # Specify which ruby versions you wish to run your tests on, each version will be used
 rvm:
-  - 1.8.7
   - 1.9.3
   - 2.0.0
   - 2.1

Rakefile

@@ -88,14 +88,13 @@ if defined?(Gem) and defined?(Gem::PackageTask)
 
     s.extra_rdoc_files << 'README.md'
     s.rdoc_options <<
-      '--title' <<  'JSON implemention for ruby' << '--main' << 'README.md'
+      '--title' <<  'JSON implemention for Ruby' << '--main' << 'README.md'
     s.test_files.concat Dir['./tests/test_*.rb']
 
     s.author = "Florian Frank"
     s.email = "[email protected]"
     s.homepage = "http://flori.github.com/#{PKG_NAME}"
     s.license = 'Ruby'
-    #s.required_ruby_version = '~>2.0'
   end
 
   desc 'Creates a json_pure.gemspec file'
@@ -133,7 +132,6 @@ if defined?(Gem) and defined?(Gem::PackageTask)
     s.email = "[email protected]"
     s.homepage = "http://flori.github.com/#{PKG_NAME}"
     s.license = 'Ruby'
-    #s.required_ruby_version = '~>2.0'
   end
 
   desc 'Creates a json.gemspec file'

json_pure.gemspec

@@ -1,37 +1,36 @@
 # -*- encoding: utf-8 -*-
-# stub: json_pure 1.8.5 ruby lib
 
 Gem::Specification.new do |s|
-  s.name = "json_pure".freeze
+  s.name = "json_pure"
   s.version = "1.8.5"
 
-  s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
-  s.require_paths = ["lib".freeze]
-  s.authors = ["Florian Frank".freeze]
+  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
+  s.authors = ["Florian Frank"]
   s.date = "2017-01-12"
-  s.description = "This is a JSON implementation in pure Ruby.".freeze
-  s.email = "[email protected]".freeze
-  s.extra_rdoc_files = ["README.md".freeze]
-  s.files = ["./tests/test_json.rb".freeze, "./tests/test_json_addition.rb".freeze, "./tests/test_json_encoding.rb".freeze, "./tests/test_json_fixtures.rb".freeze, "./tests/test_json_generate.rb".freeze, "./tests/test_json_generic_object.rb".freeze, "./tests/test_json_string_matching.rb".freeze, "./tests/test_json_unicode.rb".freeze, ".gitignore".freeze, ".travis.yml".freeze, "CHANGES".freeze, "Gemfile".freeze, "README-json-jruby.markdown".freeze, "README.md".freeze, "Rakefile".freeze, "TODO".freeze, "VERSION".freeze, "data/example.json".freeze, "data/index.html".freeze, "data/prototype.js".freeze, "diagrams/.keep".freeze, "ext/json/ext/fbuffer/fbuffer.h".freeze, "ext/json/ext/generator/depend".freeze, "ext/json/ext/generator/extconf.rb".freeze, "ext/json/ext/generator/generator.c".freeze, "ext/json/ext/generator/generator.h".freeze, "ext/json/ext/parser/depend".freeze, "ext/json/ext/parser/extconf.rb".freeze, "ext/json/ext/parser/parser.c".freeze, "ext/json/ext/parser/parser.h".freeze, "ext/json/ext/parser/parser.rl".freeze, "ext/json/extconf.rb".freeze, "install.rb".freeze, "java/src/json/ext/ByteListTranscoder.java".freeze, "java/src/json/ext/Generator.java".freeze, "java/src/json/ext/GeneratorMethods.java".freeze, "java/src/json/ext/GeneratorService.java".freeze, "java/src/json/ext/GeneratorState.java".freeze, "java/src/json/ext/OptionsReader.java".freeze, "java/src/json/ext/Parser.java".freeze, "java/src/json/ext/Parser.rl".freeze, "java/src/json/ext/ParserService.java".freeze, "java/src/json/ext/RuntimeInfo.java".freeze, "java/src/json/ext/StringDecoder.java".freeze, "java/src/json/ext/StringEncoder.java".freeze, "java/src/json/ext/Utils.java".freeze, "json-java.gemspec".freeze, "json.gemspec".freeze, "json_pure.gemspec".freeze, "lib/json.rb".freeze, "lib/json/add/bigdecimal.rb".freeze, "lib/json/add/complex.rb".freeze, "lib/json/add/core.rb".freeze, "lib/json/add/date.rb".freeze, "lib/json/add/date_time.rb".freeze, "lib/json/add/exception.rb".freeze, "lib/json/add/ostruct.rb".freeze, "lib/json/add/range.rb".freeze, "lib/json/add/rational.rb".freeze, "lib/json/add/regexp.rb".freeze, "lib/json/add/struct.rb".freeze, "lib/json/add/symbol.rb".freeze, "lib/json/add/time.rb".freeze, "lib/json/common.rb".freeze, "lib/json/ext.rb".freeze, "lib/json/ext/.keep".freeze, "lib/json/generic_object.rb".freeze, "lib/json/pure.rb".freeze, "lib/json/pure/generator.rb".freeze, "lib/json/pure/parser.rb".freeze, "lib/json/version.rb".freeze, "tests/fixtures/fail1.json".freeze, "tests/fixtures/fail10.json".freeze, "tests/fixtures/fail11.json".freeze, "tests/fixtures/fail12.json".freeze, "tests/fixtures/fail13.json".freeze, "tests/fixtures/fail14.json".freeze, "tests/fixtures/fail18.json".freeze, "tests/fixtures/fail19.json".freeze, "tests/fixtures/fail2.json".freeze, "tests/fixtures/fail20.json".freeze, "tests/fixtures/fail21.json".freeze, "tests/fixtures/fail22.json".freeze, "tests/fixtures/fail23.json".freeze, "tests/fixtures/fail24.json".freeze, "tests/fixtures/fail25.json".freeze, "tests/fixtures/fail27.json".freeze, "tests/fixtures/fail28.json".freeze, "tests/fixtures/fail3.json".freeze, "tests/fixtures/fail4.json".freeze, "tests/fixtures/fail5.json".freeze, "tests/fixtures/fail6.json".freeze, "tests/fixtures/fail7.json".freeze, "tests/fixtures/fail8.json".freeze, "tests/fixtures/fail9.json".freeze, "tests/fixtures/pass1.json".freeze, "tests/fixtures/pass15.json".freeze, "tests/fixtures/pass16.json".freeze, "tests/fixtures/pass17.json".freeze, "tests/fixtures/pass2.json".freeze, "tests/fixtures/pass26.json".freeze, "tests/fixtures/pass3.json".freeze, "tests/setup_variant.rb".freeze, "tests/test_json.rb".freeze, "tests/test_json_addition.rb".freeze, "tests/test_json_encoding.rb".freeze, "tests/test_json_fixtures.rb".freeze, "tests/test_json_generate.rb".freeze, "tests/test_json_generic_object.rb".freeze, "tests/test_json_string_matching.rb".freeze, "tests/test_json_unicode.rb".freeze, "tools/diff.sh".freeze, "tools/fuzz.rb".freeze, "tools/server.rb".freeze]
-  s.homepage = "http://flori.github.com/json".freeze
-  s.licenses = ["Ruby".freeze]
-  s.rdoc_options = ["--title".freeze, "JSON implemention for ruby".freeze, "--main".freeze, "README.md".freeze]
-  s.rubygems_version = "2.6.8".freeze
-  s.summary = "JSON Implementation for Ruby".freeze
-  s.test_files = ["./tests/test_json.rb".freeze, "./tests/test_json_addition.rb".freeze, "./tests/test_json_encoding.rb".freeze, "./tests/test_json_fixtures.rb".freeze, "./tests/test_json_generate.rb".freeze, "./tests/test_json_generic_object.rb".freeze, "./tests/test_json_string_matching.rb".freeze, "./tests/test_json_unicode.rb".freeze]
+  s.description = "This is a JSON implementation in pure Ruby."
+  s.email = "[email protected]"
+  s.extra_rdoc_files = ["README.md"]
+  s.files = [".gitignore", ".travis.yml", "CHANGES", "Gemfile", "README-json-jruby.markdown", "README.md", "Rakefile", "TODO", "VERSION", "data/example.json", "data/index.html", "data/prototype.js", "diagrams/.keep", "ext/json/ext/fbuffer/fbuffer.h", "ext/json/ext/generator/depend", "ext/json/ext/generator/extconf.rb", "ext/json/ext/generator/generator.c", "ext/json/ext/generator/generator.h", "ext/json/ext/parser/depend", "ext/json/ext/parser/extconf.rb", "ext/json/ext/parser/parser.c", "ext/json/ext/parser/parser.h", "ext/json/ext/parser/parser.rl", "ext/json/extconf.rb", "install.rb", "java/src/json/ext/ByteListTranscoder.java", "java/src/json/ext/Generator.java", "java/src/json/ext/GeneratorMethods.java", "java/src/json/ext/GeneratorService.java", "java/src/json/ext/GeneratorState.java", "java/src/json/ext/OptionsReader.java", "java/src/json/ext/Parser.java", "java/src/json/ext/Parser.rl", "java/src/json/ext/ParserService.java", "java/src/json/ext/RuntimeInfo.java", "java/src/json/ext/StringDecoder.java", "java/src/json/ext/StringEncoder.java", "java/src/json/ext/Utils.java", "json-java.gemspec", "json.gemspec", "json_pure.gemspec", "lib/json.rb", "lib/json/add/bigdecimal.rb", "lib/json/add/complex.rb", "lib/json/add/core.rb", "lib/json/add/date.rb", "lib/json/add/date_time.rb", "lib/json/add/exception.rb", "lib/json/add/ostruct.rb", "lib/json/add/range.rb", "lib/json/add/rational.rb", "lib/json/add/regexp.rb", "lib/json/add/struct.rb", "lib/json/add/symbol.rb", "lib/json/add/time.rb", "lib/json/common.rb", "lib/json/ext.rb", "lib/json/ext/.keep", "lib/json/generic_object.rb", "lib/json/pure.rb", "lib/json/pure/generator.rb", "lib/json/pure/parser.rb", "lib/json/version.rb", "tests/fixtures/fail1.json", "tests/fixtures/fail10.json", "tests/fixtures/fail11.json", "tests/fixtures/fail12.json", "tests/fixtures/fail13.json", "tests/fixtures/fail14.json", "tests/fixtures/fail18.json", "tests/fixtures/fail19.json", "tests/fixtures/fail2.json", "tests/fixtures/fail20.json", "tests/fixtures/fail21.json", "tests/fixtures/fail22.json", "tests/fixtures/fail23.json", "tests/fixtures/fail24.json", "tests/fixtures/fail25.json", "tests/fixtures/fail27.json", "tests/fixtures/fail28.json", "tests/fixtures/fail3.json", "tests/fixtures/fail4.json", "tests/fixtures/fail5.json", "tests/fixtures/fail6.json", "tests/fixtures/fail7.json", "tests/fixtures/fail8.json", "tests/fixtures/fail9.json", "tests/fixtures/pass1.json", "tests/fixtures/pass15.json", "tests/fixtures/pass16.json", "tests/fixtures/pass17.json", "tests/fixtures/pass2.json", "tests/fixtures/pass26.json", "tests/fixtures/pass3.json", "tests/setup_variant.rb", "tests/test_json.rb", "tests/test_json_addition.rb", "tests/test_json_encoding.rb", "tests/test_json_fixtures.rb", "tests/test_json_generate.rb", "tests/test_json_generic_object.rb", "tests/test_json_string_matching.rb", "tests/test_json_unicode.rb", "tools/diff.sh", "tools/fuzz.rb", "tools/server.rb", "./tests/test_json.rb", "./tests/test_json_addition.rb", "./tests/test_json_encoding.rb", "./tests/test_json_fixtures.rb", "./tests/test_json_generate.rb", "./tests/test_json_generic_object.rb", "./tests/test_json_string_matching.rb", "./tests/test_json_unicode.rb"]
+  s.homepage = "http://flori.github.com/json"
+  s.licenses = ["Ruby"]
+  s.rdoc_options = ["--title", "JSON implemention for Ruby", "--main", "README.md"]
+  s.require_paths = ["lib"]
+  s.rubygems_version = "2.0.17"
+  s.summary = "JSON Implementation for Ruby"
+  s.test_files = ["./tests/test_json.rb", "./tests/test_json_addition.rb", "./tests/test_json_encoding.rb", "./tests/test_json_fixtures.rb", "./tests/test_json_generate.rb", "./tests/test_json_generic_object.rb", "./tests/test_json_string_matching.rb", "./tests/test_json_unicode.rb"]
 
   if s.respond_to? :specification_version then
     s.specification_version = 4
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
-      s.add_development_dependency(%q<rake>.freeze, [">= 0"])
-      s.add_development_dependency(%q<test-unit>.freeze, ["~> 2.0"])
+      s.add_development_dependency(%q<rake>, [">= 0"])
+      s.add_development_dependency(%q<test-unit>, ["~> 2.0"])
     else
-      s.add_dependency(%q<rake>.freeze, [">= 0"])
-      s.add_dependency(%q<test-unit>.freeze, ["~> 2.0"])
+      s.add_dependency(%q<rake>, [">= 0"])
+      s.add_dependency(%q<test-unit>, ["~> 2.0"])
     end
   else
-    s.add_dependency(%q<rake>.freeze, [">= 0"])
-    s.add_dependency(%q<test-unit>.freeze, ["~> 2.0"])
+    s.add_dependency(%q<rake>, [">= 0"])
+    s.add_dependency(%q<test-unit>, ["~> 2.0"])
   end
 end