diff --git a/lib/dry/rails/features/safe_params.rb b/lib/dry/rails/features/safe_params.rb
index bc095f0..80990c8 100644
--- a/lib/dry/rails/features/safe_params.rb
+++ b/lib/dry/rails/features/safe_params.rb
@@ -63,7 +63,13 @@ def safe_params
         #
         # @api public
         def schemas
-          self.class.schemas
+          return @schemas if defined? @schemas
+
+          @schemas = if self.class.superclass.include?(Dry::Rails::Features::SafeParams)
+                       self.class.schemas.merge(self.class.superclass.schemas)
+                     else
+                       self.class.schemas
+                     end
         end
 
         private
diff --git a/spec/dummy/app/controllers/inherited_safe_params_callbacks_controller.rb b/spec/dummy/app/controllers/inherited_safe_params_callbacks_controller.rb
new file mode 100644
index 0000000..0e03649
--- /dev/null
+++ b/spec/dummy/app/controllers/inherited_safe_params_callbacks_controller.rb
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+class InheritedSafeParamsCallbacksController < SafeParamsCallbacksController
+end
diff --git a/spec/dummy/config/routes.rb b/spec/dummy/config/routes.rb
index aac2a20..8098fac 100644
--- a/spec/dummy/config/routes.rb
+++ b/spec/dummy/config/routes.rb
@@ -5,6 +5,7 @@
   get "users/new/:id" => "users#new"
 
   get "safe_params_callbacks/show/:id" => "safe_params_callbacks#show"
+  get "inherited_safe_params_callbacks/show/:id" => "inherited_safe_params_callbacks#show"
 
   get "/api/users/show/:id" => "api_users#show"
   get "/api/users/new/:id" => "api_users#new"
diff --git a/spec/requests/inherited_safe_params_callbacks_spec.rb b/spec/requests/inherited_safe_params_callbacks_spec.rb
new file mode 100644
index 0000000..005afe3
--- /dev/null
+++ b/spec/requests/inherited_safe_params_callbacks_spec.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+RSpec.describe "InheritedSafeParamsCallbacksController", type: :request do
+  describe "GET /inherited_safe_params_callbacks/show" do
+    it "returns a successful response code" do
+      get "/inherited_safe_params_callbacks/show/312"
+
+      expect(response).to have_http_status(200)
+    end
+
+    it "returns errors" do
+      get "/inherited_safe_params_callbacks/show/oops"
+
+      expect(response).to have_http_status(422)
+    end
+  end
+end