diff --git a/beaker-vcloud.gemspec b/beaker-vcloud.gemspec
index e3f3fc5..2f382f9 100644
--- a/beaker-vcloud.gemspec
+++ b/beaker-vcloud.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'voxpupuli-rubocop', '~> 2.7.0'
 
   # Run time dependencies
-  s.add_runtime_dependency 'beaker', '~> 5.8'
+  s.add_runtime_dependency 'beaker', '>= 5.8', '< 7'
   s.add_runtime_dependency 'beaker-vmware', '~> 2.1'
   s.add_runtime_dependency 'rbvmomi2', '~> 3.7', '>= 3.7.1'
   s.add_runtime_dependency 'stringify-hash', '~> 0.0.0'