diff --git a/greenhouse_io.gemspec b/greenhouse_io.gemspec
index 40f22f6..b21ee19 100644
--- a/greenhouse_io.gemspec
+++ b/greenhouse_io.gemspec
@@ -24,5 +24,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec"
-  spec.add_development_dependency "vcr", "~> 3.0.1"
+  spec.add_development_dependency "vcr", "~> 6.0.0"
 end