diff --git a/db/migrate/20170827231800_remove_string_column_from_ppid.rb b/db/migrate/20170827231800_remove_string_column_from_ppid.rb
new file mode 100644
index 000000000..019fda827
--- /dev/null
+++ b/db/migrate/20170827231800_remove_string_column_from_ppid.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class RemoveStringColumnFromPpid < ActiveRecord::Migration[5.1]
+  def change
+    remove_column :ppid, :string, :string, limit: 32
+  end
+end