diff --git a/plugins/redmine_omniauth_client/db/migrate/001_create_group_mappings.rb b/plugins/redmine_omniauth_client/db/migrate/001_create_group_mappings.rb
index 3a652374a8a2b437aea1877b35d0b05f8c166b34..98c0ab3f146eabfd3322c6eea2cc5ff4236dca53 100644
--- a/plugins/redmine_omniauth_client/db/migrate/001_create_group_mappings.rb
+++ b/plugins/redmine_omniauth_client/db/migrate/001_create_group_mappings.rb
@@ -1,4 +1,4 @@
-class CreateGroupMappings < ActiveRecord::Migration
+class CreateGroupMappings < ActiveRecord::Migration[5.2]
   def change
     create_table :group_mappings do |t|
       t.string :variable
diff --git a/plugins/redmine_omniauth_client/db/migrate/002_update_users_ssouid.rb b/plugins/redmine_omniauth_client/db/migrate/002_update_users_ssouid.rb
index 9efa7f1fa51d350aa329fe851a17891da98b2a81..99b1d84109bc650e6df052a49f655bb4c620cb1a 100644
--- a/plugins/redmine_omniauth_client/db/migrate/002_update_users_ssouid.rb
+++ b/plugins/redmine_omniauth_client/db/migrate/002_update_users_ssouid.rb
@@ -1,4 +1,4 @@
-class UpdateUsersSsouid < ActiveRecord::Migration
+class UpdateUsersSsouid < ActiveRecord::Migration[5.2]
   def self.up
     change_table :users do |t|
       t.column :sso_u_id, :string