diff --git a/Gemfile.lock b/Gemfile.lock
index fe659bc4577..2a813ecf551 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -609,9 +609,9 @@ GEM
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
-    sprockets-rails (3.2.2)
-      actionpack (>= 4.0)
-      activesupport (>= 4.0)
+    sprockets-rails (3.4.2)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
       sprockets (>= 3.0.0)
     sshkit (1.22.0)
       mutex_m
diff --git a/config/application.rb b/config/application.rb
index 9c493bc4b6b..b950ab321a3 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -39,6 +39,9 @@ class Application < Rails::Application
     # work with the _count database columns we use for caching purposes
     config.active_record.has_many_inversing = false
 
+    # Disable Sprockets AssetUrlProcessor for CKEditor compatibility
+    config.assets.resolve_assets_in_css_urls = false
+
     # Keep reading existing data in the legislation_annotations ranges column
     config.active_record.yaml_column_permitted_classes = [ActiveSupport::HashWithIndifferentAccess, Symbol]