workbook.gemspec in workbook-0.7.1 vs workbook.gemspec in workbook-0.7.2

@@ -18,10 +18,10 @@
   s.add_dependency('spreadsheet', '~> 1.0')
   s.add_development_dependency('minitest', '~> 5.4')
   s.add_dependency('fastercsv') if RUBY_VERSION < "1.9"
   s.add_dependency("rchardet", "~> 1.3")
   s.add_dependency("rake", '~> 10.0')
-  s.add_dependency("json", '~> 1.8')
+  s.add_dependency("json", '> 1.8')
   # s.add_dependency("rubyzip", '~> 1.2', '>= 1.2.1')
   s.add_dependency('axlsx', '~> 2.1.0.pre')
   if RUBY_VERSION < "1.9"
     s.add_dependency('nokogiri', "~> 1.5.10")
   else