diff --git a/solidus_marketplace_gateway.gemspec b/solidus_marketplace_gateway.gemspec
index 4e145e4..9f51c37 100644
--- a/solidus_marketplace_gateway.gemspec
+++ b/solidus_marketplace_gateway.gemspec
@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
   spec.executables = files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_dependency 'solidus_core', ['>= 2.0.0', '< 3']
+  spec.add_dependency 'solidus_core', ['>= 2.0.0', '< 5']
   spec.add_dependency 'solidus_marketplace'
   spec.add_dependency 'solidus_stripe'
   spec.add_dependency 'solidus_support', '~> 0.5'