diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1dbe8ec..a69ee75 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Development
 
+## 0.6.1 (2021-07-13)
+
+* Added missing dependencies for the `setup.py`
+
 ## 0.6.0 (2021-07-13)
 
 * [#28](https://github.com/rheinwerk-verlag/postgresql-anonymizer/pull/25): Add json support ([nurikk](https://github.com/nurikk))
diff --git a/README.rst b/README.rst
index 215bfeb..db690fc 100644
--- a/README.rst
+++ b/README.rst
@@ -43,8 +43,8 @@ Features
 | ``uuid_col``   | 00010203-0405-...... | ``uuid4``               | f7c1bd87-4d....                  |
 +----------------+----------------------+-------------------------+----------------------------------+
 
-Note: `faker.unique.[provider]` only supported on python3.5+ (Faker library min supported python version)
-Note: `uuid4` - only for (native `uuid4<https://www.postgresql.org/docs/current/datatype-uuid.html>`) columns
+* Note: ``faker.unique.[provider]`` only supported on Python 3.5+ (Faker library min. supported python version)
+* Note: ``uuid4`` - only for (native `uuid4`_) columns
 
 See the `documentation`_ for a more detailed description of the provided anonymization methods.
 
@@ -161,6 +161,7 @@ After that you can pass a schema file to the container, using Docker volumes, an
         -v
 
 
+.. _uuid4: https://www.postgresql.org/docs/current/datatype-uuid.html
 .. _documentation: https://python-postgresql-anonymizer.readthedocs.io/en/latest/
 .. _schema documentation: https://python-postgresql-anonymizer.readthedocs.io/en/latest/schema.html
 .. _YAML sample schema: https://github.com/rheinwerk-verlag/postgresql-anonymizer/blob/master/sample_schema.yml
diff --git a/docs/schema.rst b/docs/schema.rst
index c223f3a..ee841db 100644
--- a/docs/schema.rst
+++ b/docs/schema.rst
@@ -260,7 +260,10 @@ This provider will replace each character with a static sign.
 ``md5``
 ~~~~~~~
 
-**Arguments:** none
+**Arguments:**
+
+* ``as_number`` (default ``False``): Return the MD5 hash as an integer.
+* ``as_number_length`` (default 8): The length of the integer representation.
 
 This provider will hash the given field value with the MD5 algorithm.
 
@@ -272,6 +275,7 @@ This provider will hash the given field value with the MD5 algorithm.
          - password:
             provider:
               name: md5
+              as_number: True
 
 
 ``set``
@@ -301,5 +305,27 @@ The value can also be a dictionary for JSONB columns::
               name: set
               value: '{"foo": "bar", "baz": 1}'
 
+
+``uuid4``
+~~~~~~~~~
+
+**Arguments:** none
+
+This provider will replace values with a unique UUID4.
+
+.. note::
+   The provider will only generate `native UUIDs`_. If you want to use UUIDs for character based columns, use
+   ``fake.uuid4`` instead.
+
+**Example usage**::
+
+    tables:
+     - auth_user:
+        fields:
+         - first_name:
+            provider:
+              name: uuid4
+
 .. _Faker: https://github.com/joke2k/faker
 .. _Faker documentation: http://faker.rtfd.org/
+.. _native UUIDs: https://www.postgresql.org/docs/current/datatype-uuid.html
diff --git a/pganonymizer/version.py b/pganonymizer/version.py
index 1ab444e..20a8456 100644
--- a/pganonymizer/version.py
+++ b/pganonymizer/version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-__version__ = '0.6.0'
+__version__ = '0.6.1'
diff --git a/pyproject.toml b/pyproject.toml
index ce1844f..f564850 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "postgresql-anonymizer"
-version = "0.6.0"
+version = "0.6.1"
 description = "Commandline tool to anonymize PostgreSQL databases"
 authors = [
     "Henning Kage <henning.kage@rheinwerk-verlag.de>"
diff --git a/setup.py b/setup.py
index b66266e..e3fed64 100755
--- a/setup.py
+++ b/setup.py
@@ -42,10 +42,11 @@ def run(self):
 
 install_requires = [
     'faker',
-    'six',
-    'progress',
+    'parmap',
+    'pgcopy',
     'psycopg2',
-    'pyyaml'
+    'pyyaml',
+    'tqdm'
 ]
 
 tests_require = [
@@ -71,7 +72,7 @@ def run(self):
     url='https://github.com/rheinwerk-verlag/postgresql-anonymizer',
     license='MIT license',
     classifiers=[
-        'Development Status :: 2 - Pre-Alpha',
+        'Development Status :: 3 - Alpha',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
         'Operating System :: POSIX',