diff --git a/calagator.gemspec b/calagator.gemspec
index 9884edbba..469a23e3c 100644
--- a/calagator.gemspec
+++ b/calagator.gemspec
@@ -42,7 +42,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'rails-observers'
   s.add_dependency 'rails_autolink', '~> 1.1'
   s.add_dependency 'recaptcha', '~> 3.3.0'
-  s.add_dependency 'rest-client', '~> 1.8'
+  s.add_dependency 'rest-client', '>= 1.8', '< 3.0'
   s.add_dependency 'ri_cal', '~> 0.8.8'
   s.add_dependency 'sassc-rails', '~> 1.3'
   s.add_dependency 'sunspot_rails', '~> 2.1'