report.gemspec in report-0.0.1 vs report.gemspec in report-0.0.2

@@ -15,10 +15,10 @@
   gem.name          = "report"
   gem.require_paths = ["lib"]
   gem.version       = Report::VERSION
 
   gem.add_runtime_dependency 'activesupport'
-  gem.add_runtime_dependency 'xlsx_writer'
+  gem.add_runtime_dependency 'xlsx_writer', '>=0.2.2'
   gem.add_runtime_dependency 'prawn'
   gem.add_runtime_dependency 'posix-spawn'
 
   gem.add_development_dependency 'rspec'
   gem.add_development_dependency 'remote_table'