diff --git a/activerecord6-redshift-adapter.gemspec b/activerecord6-redshift-adapter.gemspec
index 6dcc22f..35b7c71 100644
--- a/activerecord6-redshift-adapter.gemspec
+++ b/activerecord6-redshift-adapter.gemspec
@@ -1,14 +1,14 @@
 Gem::Specification.new do |s|
   s.platform = Gem::Platform::RUBY
   s.name = 'activerecord6-redshift-adapter'
-  s.version = '1.2.0'
+  s.version = '1.2.1'
   s.summary = 'Amazon Redshift adapter for ActiveRecord '
   s.description = 'Amazon Redshift _makeshift_ adapter for ActiveRecord 6.'
   s.license = 'MIT'
 
-  s.author = ['Nancy Foen', 'Minero Aoki', 'iamdbc', 'Quentin Rousseau']
+  s.author = ['Nancy Foen', 'Minero Aoki', 'iamdbc', 'Quentin Rousseau', 'vmeow']
   s.email = 'fantast.d@gmail.com'
-  s.homepage = 'https://github.com/kwent/activerecord6-redshift-adapter'
+  s.homepage = 'https://github.com/ValorWaterAnalytics/activerecord6-redshift-adapter'
 
   s.files = Dir.glob(['LICENSE', 'README.md', 'lib/**/*.rb'])
   s.require_path = 'lib'
diff --git a/lib/active_record/connection_adapters/redshift/schema_statements.rb b/lib/active_record/connection_adapters/redshift/schema_statements.rb
index 9ab9007..2852275 100644
--- a/lib/active_record/connection_adapters/redshift/schema_statements.rb
+++ b/lib/active_record/connection_adapters/redshift/schema_statements.rb
@@ -5,7 +5,10 @@ class SchemaCreation < SchemaCreation
         private
 
         def visit_ColumnDefinition(o)
-          super
+          o.sql_type = type_to_sql(o.type, **o.options)
+          column_sql = +"#{quote_column_name(o.name)} #{o.sql_type}"
+          add_column_options!(column_sql, column_options(o)) unless o.type == :primary_key
+          column_sql
         end
 
         def add_column_options!(sql, options)
@@ -426,7 +429,7 @@ def index_name_length
         # Maps logical Rails types to PostgreSQL-specific data types.
         def type_to_sql(type, limit: nil, precision: nil, scale: nil, **)
           case type.to_s
-          when 'integer'
+          when 'integer', 'int'
             return 'integer' unless limit
 
             case limit
diff --git a/lib/active_record/connection_adapters/redshift_adapter.rb b/lib/active_record/connection_adapters/redshift_adapter.rb
index 66eec87..0ec30d1 100644
--- a/lib/active_record/connection_adapters/redshift_adapter.rb
+++ b/lib/active_record/connection_adapters/redshift_adapter.rb
@@ -77,13 +77,17 @@ class RedshiftAdapter < AbstractAdapter
         primary_key: "bigint identity primary key",
         string:      { name: "varchar" },
         text:        { name: "varchar" },
+        varchar:     { name: "varchar" },
+        smallint:    { name: "smallint" },
+        int:         { name: "integer" },
         integer:     { name: "integer" },
+        bigint:      { name: "bigint" },
         float:       { name: "float" },
         decimal:     { name: "decimal" },
         datetime:    { name: "timestamp" },
+        timestamptz: { name: "timestamptz" },
         time:        { name: "time" },
         date:        { name: "date" },
-        bigint:      { name: "bigint" },
         boolean:     { name: "boolean" },
         serial:      { name: "integer" },
         bigserial:   { name: "bigint" },
@@ -350,10 +354,10 @@ def get_oid_type(oid, fmod, column_name, sql_type = '') # :nodoc:
           }
         end
 
-        def initialize_type_map(m) # :nodoc:
-          register_class_with_limit m, 'int2', Type::Integer
-          register_class_with_limit m, 'int4', Type::Integer
-          register_class_with_limit m, 'int8', Type::Integer
+        def initialize_type_map(m = type_map) # :nodoc:
+          m.register_type "int2", Type::Integer.new(limit: 2)
+          m.register_type "int4", Type::Integer.new(limit: 4)
+          m.register_type "int8", Type::Integer.new(limit: 8)
           m.alias_type 'oid', 'int2'
           m.register_type 'float4', Type::Float.new
           m.alias_type 'float8', 'float4'