diff --git a/lib/generators/rating/templates/db/migrate/create_rating_tables.rb b/lib/generators/rating/templates/db/migrate/create_rating_tables.rb
index af1ac28..f0edbeb 100644
--- a/lib/generators/rating/templates/db/migrate/create_rating_tables.rb
+++ b/lib/generators/rating/templates/db/migrate/create_rating_tables.rb
@@ -3,7 +3,7 @@
 class CreateRatingTables < ActiveRecord::Migration[5.0]
   def change
     create_table :rating_rates do |t|
-      t.decimal :value, default: 0, precision: 17, scale: 14
+      t.decimal :value, default: 0, precision: 25, scale: 16
 
       t.references :author,    index: true, null: false, polymorphic: true
       t.references :resource,  index: true, null: false, polymorphic: true
@@ -17,8 +17,8 @@ class CreateRatingTables < ActiveRecord::Migration[5.0]
       unique: true
 
     create_table :rating_ratings do |t|
-      t.decimal :average,  default: 0, mull: false, precision: 17, scale: 14
-      t.decimal :estimate, default: 0, mull: false, precision: 17, scale: 14
+      t.decimal :average,  default: 0, mull: false, precision: 25, scale: 16
+      t.decimal :estimate, default: 0, mull: false, precision: 25, scale: 16
       t.integer :sum,      default: 0, mull: false
       t.integer :total,    default: 0, mull: false