diff --git a/vend.gemspec b/vend.gemspec
index 9664b2b..d25cd0f 100644
--- a/vend.gemspec
+++ b/vend.gemspec
@@ -24,5 +24,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency "pry"
   s.add_development_dependency "webmock"
 
-  s.add_dependency 'oauth2', '~> 1.0.0'
+  s.add_dependency 'oauth2'
 end