diff --git a/db/migrate/20210921112300_issue_3751_missing_workflow_screens.rb b/db/migrate/20210921112300_issue_3751_missing_workflow_screens.rb
index 757ce2bf8..f1eaade52 100644
--- a/db/migrate/20210921112300_issue_3751_missing_workflow_screens.rb
+++ b/db/migrate/20210921112300_issue_3751_missing_workflow_screens.rb
@@ -1,6 +1,6 @@
 # Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
 
-class Issue3751MissingWorkflowScreens < ActiveRecord::Migration[5.2]
+class Issue3751MissingWorkflowScreens < ActiveRecord::Migration[6.0]
   def change
     return if !Setting.exists?(name: 'system_init_done')
 
diff --git a/db/migrate/20210922090000_issue_3759_cache_clear.rb b/db/migrate/20210922090000_issue_3759_cache_clear.rb
new file mode 100644
index 000000000..407fc1706
--- /dev/null
+++ b/db/migrate/20210922090000_issue_3759_cache_clear.rb
@@ -0,0 +1,9 @@
+# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
+
+class Issue3759CacheClear < ActiveRecord::Migration[6.0]
+  def change
+    return if !Setting.exists?(name: 'system_init_done')
+
+    Cache.clear
+  end
+end