1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/type/decimal.rb b/activerecord/lib/active_record/connection_adapters/type/decimal.rb
index 9581cd5964..91957fe84b 100644
--- a/activerecord/lib/active_record/connection_adapters/type/decimal.rb
+++ b/activerecord/lib/active_record/connection_adapters/type/decimal.rb
@@ -2,6 +2,8 @@ module ActiveRecord
   module ConnectionAdapters
     module Type
       class Decimal < Value # :nodoc:
+        include Numeric
+
         def type
           :decimal
         end