diff --git a/openproject-openid_connect.gemspec b/openproject-openid_connect.gemspec
index e3605f6351..d10340a650 100644
--- a/openproject-openid_connect.gemspec
+++ b/openproject-openid_connect.gemspec
@@ -17,8 +17,8 @@ Gem::Specification.new do |s|
 
   s.add_dependency "rails", "~> 3.2.14"
   s.add_dependency "openproject-plugins", "~> 1.0"
-  s.add_dependency "openproject-auth_plugins"
-  s.add_dependency "omniauth"
+  s.add_dependency "openproject-auth_plugins", "~> 0.1"
+  s.add_dependency "omniauth", "~> 1.0"
 
   s.add_development_dependency "rspec", "~> 2.14"
   s.add_development_dependency "rspec-steps", "~> 0.4.0"