diff --git a/spree_digital.gemspec b/spree_digital.gemspec
index c4118bf..9b4a0d2 100644
--- a/spree_digital.gemspec
+++ b/spree_digital.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |s|
   s.require_path = 'lib'
   s.requirements << 'none'
   s.required_ruby_version = '>= 1.8.7'
-  s.add_dependency('spree_core', '~> 1.0.0')
+  s.add_dependency('spree_core', '~> 1.1.0')
 
   # test suite
   s.add_development_dependency 'shoulda-matchers'