diff --git a/activerecord5-redshift-adapter.gemspec b/activerecord5-redshift-adapter.gemspec
index dcea189..2705c1d 100644
--- a/activerecord5-redshift-adapter.gemspec
+++ b/activerecord5-redshift-adapter.gemspec
@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
   s.platform = Gem::Platform::RUBY
   s.name = 'activerecord5-redshift-adapter'
-  s.version = '2.0.2'
+  s.version = '2.0.3'
   s.summary = 'Amazon Redshift adapter for ActiveRecord '
   s.description = 'Amazon Redshift adapter for ActiveRecord 6.x.'
   s.license = 'MIT'
diff --git a/lib/active_record/connection_adapters/redshift/schema_statements.rb b/lib/active_record/connection_adapters/redshift/schema_statements.rb
index 923c5e9..b7760f0 100644
--- a/lib/active_record/connection_adapters/redshift/schema_statements.rb
+++ b/lib/active_record/connection_adapters/redshift/schema_statements.rb
@@ -45,7 +45,7 @@ def add_column_options!(sql, options)
       module SchemaStatements
         # Drops the database specified on the +name+ attribute
         # and creates it again using the provided +options+.
-        def recreate_database(name, options = {}) #:nodoc:
+        def recreate_database(name, **options) #:nodoc:
           drop_database(name)
           create_database(name, options)
         end
@@ -58,7 +58,7 @@ def recreate_database(name, options = {}) #:nodoc:
         # Example:
         #   create_database config[:database], config
         #   create_database 'foo_development', encoding: 'unicode'
-        def create_database(name, options = {})
+        def create_database(name, **options)
           options = { encoding: 'utf8' }.merge!(options.symbolize_keys)
 
           option_string = options.inject("") do |memo, (key, value)|
@@ -232,7 +232,7 @@ def create_schema schema_name
         end
 
         # Drops the schema for the given schema name.
-        def drop_schema(schema_name, options = {})
+        def drop_schema(schema_name, **options)
           execute "DROP SCHEMA#{' IF EXISTS' if options[:if_exists]} #{quote_schema_name(schema_name)} CASCADE"
         end
 
@@ -300,13 +300,13 @@ def rename_table(table_name, new_name)
           execute "ALTER TABLE #{quote_table_name(table_name)} RENAME TO #{quote_table_name(new_name)}"
         end
 
-        def add_column(table_name, column_name, type, options = {}) #:nodoc:
+        def add_column(table_name, column_name, type, **options) #:nodoc:
           clear_cache!
           super
         end
 
         # Changes the column of a table.
-        def change_column(table_name, column_name, type, options = {})
+        def change_column(table_name, column_name, type, **options)
           clear_cache!
           quoted_table_name = quote_table_name(table_name)
           sql_type = type_to_sql(type, limit: options[:limit], precision: options[:precision], scale: options[:scale])
@@ -353,7 +353,7 @@ def rename_column(table_name, column_name, new_column_name) #:nodoc:
           execute "ALTER TABLE #{quote_table_name(table_name)} RENAME COLUMN #{quote_column_name(column_name)} TO #{quote_column_name(new_column_name)}"
         end
 
-        def add_index(table_name, column_name, options = {}) #:nodoc:
+        def add_index(table_name, column_name, **options) #:nodoc:
         end
 
         def remove_index!(table_name, index_name) #:nodoc: