diff --git a/ocman.gemspec b/ocman.gemspec
index fa95bee..8298793 100644
--- a/ocman.gemspec
+++ b/ocman.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |s|
 
   s.add_runtime_dependency 'net_dav', '~> 0.5.1'
   s.add_runtime_dependency 'hashie', '~> 3.4'
-  s.add_runtime_dependency 'rest-client', '~> 2.0'
+  s.add_runtime_dependency 'rest-client', '~> 1.8'
   s.add_development_dependency 'rspec', '~> 3.4'
 
 end