diff --git a/db/migrate/20190311215516_destroy_spending_proposals.rb b/db/migrate/20190311215516_destroy_spending_proposals.rb
index bf636e85f..96079e25f 100644
--- a/db/migrate/20190311215516_destroy_spending_proposals.rb
+++ b/db/migrate/20190311215516_destroy_spending_proposals.rb
@@ -1,4 +1,4 @@
-class DestroySpendingProposals < ActiveRecord::Migration
+class DestroySpendingProposals < ActiveRecord::Migration[4.2]
   def change
     drop_table :spending_proposals
   end
diff --git a/db/migrate/20190311220711_destroy_spending_proposal_valuations.rb b/db/migrate/20190311220711_destroy_spending_proposal_valuations.rb
index 5f58e8469..bf52deaaa 100644
--- a/db/migrate/20190311220711_destroy_spending_proposal_valuations.rb
+++ b/db/migrate/20190311220711_destroy_spending_proposal_valuations.rb
@@ -1,4 +1,4 @@
-class DestroySpendingProposalValuations < ActiveRecord::Migration
+class DestroySpendingProposalValuations < ActiveRecord::Migration[4.2]
   def change
     drop_table :valuation_assignments
   end
diff --git a/db/migrate/20190326211832_destroy_spending_proposal_associations.rb b/db/migrate/20190326211832_destroy_spending_proposal_associations.rb
index efca7826f..57249b9c8 100644
--- a/db/migrate/20190326211832_destroy_spending_proposal_associations.rb
+++ b/db/migrate/20190326211832_destroy_spending_proposal_associations.rb
@@ -1,4 +1,4 @@
-class DestroySpendingProposalAssociations < ActiveRecord::Migration
+class DestroySpendingProposalAssociations < ActiveRecord::Migration[4.2]
   def change
     remove_column :tags, :spending_proposals_count
     remove_column :valuators, :spending_proposals_count