Use bundler version ~> 1.5.

Signed-off-by: Rocco, Marco <[email protected]>

Author: ech0s7r

mastercard-client-encryption.gemspec

@@ -13,7 +13,7 @@ Gem::Specification.new do |spec|
   spec.files = Dir['{lib}/**/*']
   spec.require_paths = ['lib']
 
-  spec.add_development_dependency 'bundler', '~> 2.0'
+  spec.add_development_dependency 'bundler', '~> 1.5'
   spec.add_development_dependency 'debase', '~> 0.2.1'
   spec.add_development_dependency 'minitest', '~> 5.0'
   spec.add_development_dependency 'rake', '~> 10.0'