diff --git a/spree_api_auth.gemspec b/spree_api_auth.gemspec
index 54ad269..4914afb 100644
--- a/spree_api_auth.gemspec
+++ b/spree_api_auth.gemspec
@@ -16,8 +16,8 @@ Gem::Specification.new do |s|
   s.require_path = 'lib'
   s.requirements << 'none'
 
-  s.add_dependency 'spree_core', '2.4.1'
-  s.add_dependency 'spree_api', '2.4.1'
+  s.add_dependency 'solidus_core', '~> 1.0.2'
+  s.add_dependency 'solidus_api', '~> 1.0.2'
 
   s.add_development_dependency 'capybara', '1.0.1'
   s.add_development_dependency 'factory_girl', '~> 2.6.4'