Gemfile in saxlsx-1.10.0 vs Gemfile in saxlsx-1.11.0

@@ -1,12 +1,6 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in saxlsx.gemspec
 gemspec
 
-gem 'caxlsx'
-gem 'rubyXL'
-gem 'simple_xlsx_reader'
-gem 'creek'
-gem 'oxcelix'
-gem 'roo'
-gem 'dullard'
+gem "rubyzip", "~> 2.0"