Merge RubyGems/Bundler master

  from https://github.com/rubygems/rubygems/commit/bfb0ae69776069155d2092702bfbb5a12617d85a

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/bundler/dsl.rb b/lib/bundler/dsl.rb
index 547db16190..179fea4dfd 100644
--- a/lib/bundler/dsl.rb
+++ b/lib/bundler/dsl.rb
@@ -324,7 +324,7 @@ module Bundler
       if name.is_a?(Symbol)
         raise GemfileError, %(You need to specify gem names as Strings. Use 'gem "#{name}"' instead)
       end
-      if name =~ /\s/
+      if /\s/.match?(name)
         raise GemfileError, %('#{name}' is not a valid gem name because it contains whitespace)
       end
       raise GemfileError, %(an empty gem name is not valid) if name.empty?