diff --git a/app/controllers/extra_locales_controller.rb b/app/controllers/extra_locales_controller.rb
index f42aca971fd..c37d674994c 100644
--- a/app/controllers/extra_locales_controller.rb
+++ b/app/controllers/extra_locales_controller.rb
@@ -74,9 +74,14 @@ class ExtraLocalesController < ApplicationController
       [js, digest_for_content(js)]
     end
 
-    def clear_cache!
+    def clear_cache!(all_sites: false)
       site = RailsMultisite::ConnectionManagement.current_db
-      js_digests[:site_specific].delete(site)
+      if all_sites
+        js_digests[:site_specific].clear
+        js_digests[:shared].clear
+      else
+        js_digests[:site_specific].delete(site)
+      end
     end
 
     def digest_for_content(js)
diff --git a/spec/requests/extra_locales_controller_spec.rb b/spec/requests/extra_locales_controller_spec.rb
index e0e6c16ddfe..ce2b13c9ee0 100644
--- a/spec/requests/extra_locales_controller_spec.rb
+++ b/spec/requests/extra_locales_controller_spec.rb
@@ -2,6 +2,9 @@
 
 RSpec.describe ExtraLocalesController do
   around { |example| allow_missing_translations(&example) }
+
+  after { ExtraLocalesController.clear_cache!(all_sites: true) }
+
   let(:fake_digest) { "a" * 40 }
 
   describe "#show" do