diff --git a/app/models/color_scheme.rb b/app/models/color_scheme.rb
index f79db403c..d4a1b02de 100644
--- a/app/models/color_scheme.rb
+++ b/app/models/color_scheme.rb
@@ -1,3 +1,5 @@
+require_dependency 'sass/discourse_stylesheets'
+
 class ColorScheme < ActiveRecord::Base
 
   attr_accessor :is_base
@@ -96,6 +98,7 @@ class ColorScheme < ActiveRecord::Base
 
   def publish_discourse_stylesheet
     MessageBus.publish("/discourse_stylesheet", self.name)
+    DiscourseStylesheets.cache.clear
   end
 
 end
diff --git a/app/models/site_customization.rb b/app/models/site_customization.rb
index b0ca62459..47d224b6e 100644
--- a/app/models/site_customization.rb
+++ b/app/models/site_customization.rb
@@ -1,4 +1,5 @@
 require_dependency 'sass/discourse_sass_compiler'
+require_dependency 'sass/discourse_stylesheets'
 
 class SiteCustomization < ActiveRecord::Base
   ENABLED_KEY = '7e202ef2-56d7-47d5-98d8-a9c8d15e57dd'
@@ -43,6 +44,7 @@ class SiteCustomization < ActiveRecord::Base
     end
     MessageBus.publish "/header-change/#{key}", header if header_changed?
     MessageBus.publish "/footer-change/#{key}", footer if footer_changed?
+    DiscourseStylesheets.cache.clear
   end
 
   after_destroy do