diff --git a/lib/ridgepole/dsl_parser/table_definition.rb b/lib/ridgepole/dsl_parser/table_definition.rb
index 2b8a9b85..6f81d409 100644
--- a/lib/ridgepole/dsl_parser/table_definition.rb
+++ b/lib/ridgepole/dsl_parser/table_definition.rb
@@ -86,7 +86,7 @@ def column(name, type, options = {})
         oid: {},
 
         # https://github.com/ridgepole/ridgepole/issues/394
-        timestamptz: {}
+        timestamptz: {},
       }.freeze
 
       TYPES.each do |column_type, default_options|