diff --git a/vmpooler-provider-gce.gemspec b/vmpooler-provider-gce.gemspec
index 3127a46..aad74e9 100644
--- a/vmpooler-provider-gce.gemspec
+++ b/vmpooler-provider-gce.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.add_dependency "googleauth", "~> 0.16.2"
   s.add_dependency "google-cloud-dns", "~> 0.35.1"
   
-  s.add_development_dependency 'vmpooler', '~> 1.3', '>= 1.3.0'
+  s.add_development_dependency 'vmpooler', '>= 1.3.0', '~> 2.3'
 
   # Testing dependencies
   s.add_development_dependency 'climate_control', '>= 0.2.0'