diff --git a/resource_registry.gemspec b/resource_registry.gemspec
index 96c4731..5d24fa9 100644
--- a/resource_registry.gemspec
+++ b/resource_registry.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'sorbet-coerce', '>= 0.2.6'
   # s.add_runtime_dependency 'sorbet-runtime-stub', '0.2.0'
   s.add_development_dependency 'sorbet', '0.5.11609'
-  s.add_runtime_dependency 'active_support', '>= 7.1.3'
+  s.add_runtime_dependency 'activesupport', '>= 7.1.3'
   s.add_runtime_dependency 'dry-inflector', '>= 0.1.2'
   s.add_runtime_dependency 'sorbet-runtime', '0.5.11609'
   # s.add_development_dependency 'tapioca'