diff --git a/db/migrate/20170404161518_change_grant_purchases.rb b/db/migrate/20170404161518_change_grant_purchases.rb
index c53f3d9a..e34b9114 100644
--- a/db/migrate/20170404161518_change_grant_purchases.rb
+++ b/db/migrate/20170404161518_change_grant_purchases.rb
@@ -1,4 +1,4 @@
-class ChangeGrantPurchases < ActiveRecord::Migration
+class ChangeGrantPurchases < ActiveRecord::Migration[4.2]
   def change
     change_table :grant_purchases do |t|
       t.references :sourceable, :polymorphic => true
diff --git a/db/migrate/20170612144659_add_sourceable_accounting_models.rb b/db/migrate/20170612144659_add_sourceable_accounting_models.rb
index 77ee6054..1e1c7733 100644
--- a/db/migrate/20170612144659_add_sourceable_accounting_models.rb
+++ b/db/migrate/20170612144659_add_sourceable_accounting_models.rb
@@ -1,4 +1,4 @@
-class AddSourceableAccountingModels < ActiveRecord::Migration
+class AddSourceableAccountingModels < ActiveRecord::Migration[4.2]
   def change
     change_table :grants do |t|
       t.references :sourceable, :polymorphic => true
diff --git a/db/migrate/20170628185317_add_general_ledger_account_to_assets.rb b/db/migrate/20170628185317_add_general_ledger_account_to_assets.rb
index ccb39400..730f4972 100644
--- a/db/migrate/20170628185317_add_general_ledger_account_to_assets.rb
+++ b/db/migrate/20170628185317_add_general_ledger_account_to_assets.rb
@@ -1,4 +1,4 @@
-class AddGeneralLedgerAccountToAssets < ActiveRecord::Migration
+class AddGeneralLedgerAccountToAssets < ActiveRecord::Migration[4.2]
   def change
     add_reference :assets, :general_ledger_account, index: true
     add_reference :policy_asset_subtype_rules, :general_ledger_account, index: true
diff --git a/db/migrate/20170629120830_create_general_ledger_account_entries.rb b/db/migrate/20170629120830_create_general_ledger_account_entries.rb
index d0171c71..ecf3c71a 100644
--- a/db/migrate/20170629120830_create_general_ledger_account_entries.rb
+++ b/db/migrate/20170629120830_create_general_ledger_account_entries.rb
@@ -1,4 +1,4 @@
-class CreateGeneralLedgerAccountEntries < ActiveRecord::Migration
+class CreateGeneralLedgerAccountEntries < ActiveRecord::Migration[4.2]
   def change
     create_table :general_ledger_account_entries do |t|
       t.string :object_key, limit: 12
diff --git a/db/migrate/20170629133015_add_name_to_grants.rb b/db/migrate/20170629133015_add_name_to_grants.rb
index a36d52b4..2eedd545 100644
--- a/db/migrate/20170629133015_add_name_to_grants.rb
+++ b/db/migrate/20170629133015_add_name_to_grants.rb
@@ -1,4 +1,4 @@
-class AddNameToGrants < ActiveRecord::Migration
+class AddNameToGrants < ActiveRecord::Migration[4.2]
   def change
     add_column :grants, :name, :string
   end
diff --git a/db/migrate/20170629140322_create_organization_general_ledger_accounts.rb b/db/migrate/20170629140322_create_organization_general_ledger_accounts.rb
index f873bf33..5821ddda 100644
--- a/db/migrate/20170629140322_create_organization_general_ledger_accounts.rb
+++ b/db/migrate/20170629140322_create_organization_general_ledger_accounts.rb
@@ -1,4 +1,4 @@
-class CreateOrganizationGeneralLedgerAccounts < ActiveRecord::Migration
+class CreateOrganizationGeneralLedgerAccounts < ActiveRecord::Migration[4.2]
   def change
     create_table :organization_general_ledger_accounts do |t|
       t.string :name
diff --git a/db/migrate/20170630154350_create_general_ledger_account_subtypes.rb b/db/migrate/20170630154350_create_general_ledger_account_subtypes.rb
index 4aee263b..45dffecd 100644
--- a/db/migrate/20170630154350_create_general_ledger_account_subtypes.rb
+++ b/db/migrate/20170630154350_create_general_ledger_account_subtypes.rb
@@ -1,4 +1,4 @@
-class CreateGeneralLedgerAccountSubtypes < ActiveRecord::Migration
+class CreateGeneralLedgerAccountSubtypes < ActiveRecord::Migration[4.2]
   def change
     create_table :general_ledger_account_subtypes do |t|
       t.references :general_ledger_account_type
diff --git a/db/migrate/20170630182834_add_sources_to_general_ledger_accounts.rb b/db/migrate/20170630182834_add_sources_to_general_ledger_accounts.rb
index f9355500..e9c7d640 100644
--- a/db/migrate/20170630182834_add_sources_to_general_ledger_accounts.rb
+++ b/db/migrate/20170630182834_add_sources_to_general_ledger_accounts.rb
@@ -1,4 +1,4 @@
-class AddSourcesToGeneralLedgerAccounts < ActiveRecord::Migration
+class AddSourcesToGeneralLedgerAccounts < ActiveRecord::Migration[4.2]
   def change
     add_reference :general_ledger_accounts, :grant
     add_reference :general_ledger_account_entries, :sourceable, polymorphic: true
diff --git a/db/migrate/20170719152744_change_limits_general_ledger_accounts.rb b/db/migrate/20170719152744_change_limits_general_ledger_accounts.rb
index 5bf1b990..d9523425 100644
--- a/db/migrate/20170719152744_change_limits_general_ledger_accounts.rb
+++ b/db/migrate/20170719152744_change_limits_general_ledger_accounts.rb
@@ -1,4 +1,4 @@
-class ChangeLimitsGeneralLedgerAccounts < ActiveRecord::Migration
+class ChangeLimitsGeneralLedgerAccounts < ActiveRecord::Migration[4.2]
   def change
     change_column :general_ledger_accounts, :account_number, :string, limit: nil
     change_column :general_ledger_accounts, :name, :string, limit: nil
diff --git a/db/migrate/20170920191253_create_depreciation_entries.rb b/db/migrate/20170920191253_create_depreciation_entries.rb
index caedfca3..6827a156 100644
--- a/db/migrate/20170920191253_create_depreciation_entries.rb
+++ b/db/migrate/20170920191253_create_depreciation_entries.rb
@@ -1,4 +1,4 @@
-class CreateDepreciationEntries < ActiveRecord::Migration
+class CreateDepreciationEntries < ActiveRecord::Migration[4.2]
   def change
     create_table :depreciation_entries do |t|
       t.string :object_key, null: false, limit: 12
diff --git a/db/migrate/20170928145253_add_initial_depreciation_fields.rb b/db/migrate/20170928145253_add_initial_depreciation_fields.rb
index cc5259c8..ef2412eb 100644
--- a/db/migrate/20170928145253_add_initial_depreciation_fields.rb
+++ b/db/migrate/20170928145253_add_initial_depreciation_fields.rb
@@ -1,4 +1,4 @@
-class AddInitialDepreciationFields < ActiveRecord::Migration
+class AddInitialDepreciationFields < ActiveRecord::Migration[4.2]
   def change
     add_column :assets, :depreciation_useful_life, :integer, after: :depreciation_start_date
     add_column :assets, :depreciation_purchase_cost, :integer, after: :depreciation_useful_life
diff --git a/db/migrate/20171004131444_clear_out_association_fields.rb b/db/migrate/20171004131444_clear_out_association_fields.rb
index 00c02233..dc209e96 100644
--- a/db/migrate/20171004131444_clear_out_association_fields.rb
+++ b/db/migrate/20171004131444_clear_out_association_fields.rb
@@ -1,4 +1,4 @@
-class ClearOutAssociationFields < ActiveRecord::Migration
+class ClearOutAssociationFields < ActiveRecord::Migration[4.2]
   def change
     drop_table :assets_general_ledger_accounts
 
diff --git a/db/migrate/20171004170036_create_general_ledger_mappings.rb b/db/migrate/20171004170036_create_general_ledger_mappings.rb
index be892282..248e3836 100644
--- a/db/migrate/20171004170036_create_general_ledger_mappings.rb
+++ b/db/migrate/20171004170036_create_general_ledger_mappings.rb
@@ -1,4 +1,4 @@
-class CreateGeneralLedgerMappings < ActiveRecord::Migration
+class CreateGeneralLedgerMappings < ActiveRecord::Migration[4.2]
   def change
     create_table :general_ledger_mappings do |t|
       t.string :object_key, null: false, limit: 12
diff --git a/db/migrate/20171005150749_add_event_date_gla_entries.rb b/db/migrate/20171005150749_add_event_date_gla_entries.rb
index 4a103e79..a2a346d4 100644
--- a/db/migrate/20171005150749_add_event_date_gla_entries.rb
+++ b/db/migrate/20171005150749_add_event_date_gla_entries.rb
@@ -1,4 +1,4 @@
-class AddEventDateGlaEntries < ActiveRecord::Migration
+class AddEventDateGlaEntries < ActiveRecord::Migration[4.2]
   def change
     add_column :general_ledger_account_entries, :event_date, :date, after: :general_ledger_account_id
   end
diff --git a/db/migrate/20171017173825_cleanup_expenditure_fields.rb b/db/migrate/20171017173825_cleanup_expenditure_fields.rb
index 12ffac5b..63a964cb 100644
--- a/db/migrate/20171017173825_cleanup_expenditure_fields.rb
+++ b/db/migrate/20171017173825_cleanup_expenditure_fields.rb
@@ -1,4 +1,4 @@
-class CleanupExpenditureFields < ActiveRecord::Migration
+class CleanupExpenditureFields < ActiveRecord::Migration[4.2]
   def change
     remove_column :expenditures, :organization_id
     remove_column :expenditures, :vendor_id
diff --git a/db/migrate/20171030123535_cleanup_general_ledger_tables.rb b/db/migrate/20171030123535_cleanup_general_ledger_tables.rb
index 79ef5490..d0a35e06 100644
--- a/db/migrate/20171030123535_cleanup_general_ledger_tables.rb
+++ b/db/migrate/20171030123535_cleanup_general_ledger_tables.rb
@@ -1,4 +1,4 @@
-class CleanupGeneralLedgerTables < ActiveRecord::Migration
+class CleanupGeneralLedgerTables < ActiveRecord::Migration[4.2]
   def change
     add_column :asset_events, :general_ledger_account_id, :integer
 
diff --git a/db/migrate/20171108212435_add_asset_general_ledger_account_entries.rb b/db/migrate/20171108212435_add_asset_general_ledger_account_entries.rb
index 5340aae8..4b39449c 100644
--- a/db/migrate/20171108212435_add_asset_general_ledger_account_entries.rb
+++ b/db/migrate/20171108212435_add_asset_general_ledger_account_entries.rb
@@ -1,4 +1,4 @@
-class AddAssetGeneralLedgerAccountEntries < ActiveRecord::Migration
+class AddAssetGeneralLedgerAccountEntries < ActiveRecord::Migration[4.2]
   def change
     add_reference :general_ledger_account_entries, :asset, index: true
   end
diff --git a/db/migrate/20171121152747_add_extended_useful_life_months_expenditures.rb b/db/migrate/20171121152747_add_extended_useful_life_months_expenditures.rb
index 2d152d06..373e7a08 100644
--- a/db/migrate/20171121152747_add_extended_useful_life_months_expenditures.rb
+++ b/db/migrate/20171121152747_add_extended_useful_life_months_expenditures.rb
@@ -1,4 +1,4 @@
-class AddExtendedUsefulLifeMonthsExpenditures < ActiveRecord::Migration
+class AddExtendedUsefulLifeMonthsExpenditures < ActiveRecord::Migration[4.2]
   def change
     add_column :expenditures, :extended_useful_life_months, :integer, after: :amount
   end
diff --git a/db/migrate/20171128161206_add_vendor_expenditures.rb b/db/migrate/20171128161206_add_vendor_expenditures.rb
index d426864f..0e5f2697 100644
--- a/db/migrate/20171128161206_add_vendor_expenditures.rb
+++ b/db/migrate/20171128161206_add_vendor_expenditures.rb
@@ -1,4 +1,4 @@
-class AddVendorExpenditures < ActiveRecord::Migration
+class AddVendorExpenditures < ActiveRecord::Migration[4.2]
   def change
     add_column :expenditures, :vendor, :string, after: :extended_useful_life_months
   end