diff --git a/hipchat.gemspec b/hipchat.gemspec
index deaffc0..fbf42e0 100644
--- a/hipchat.gemspec
+++ b/hipchat.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "rr"
-  spec.add_development_dependency "bundler", "~> 1.14.0"
+  spec.add_development_dependency "bundler", "> 1.15.0"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "webmock", "> 1.22.6"
   spec.add_development_dependency "addressable", "= 2.4.0"