diff --git a/debian/control b/debian/control
index 9fe1f597..ebf3921a 100644
--- a/debian/control
+++ b/debian/control
@@ -1,46 +1,45 @@
 Source: python-sipsimple
 Section: python
 Priority: optional
 Maintainer: Adrian Georgescu <ag@ag-projects.com>
 Uploaders: Tijmne de Mes <tijmen@ag-projects.com>
-Build-Depends: debhelper, python3,
+Build-Depends: debhelper (>= 11), python3,
                dh-python,
-               python3-all-dev (>= 2.7),
-               python3-all-dbg (>= 2.7),
-               cython3-dbg,
+               python3-all-dev,
+               cython,
                libasound2-dev,
                libssl-dev,
                libv4l-dev,
-               libavcodec-dev (>= 7:2.7),
-               libavformat-dev (>= 7:2.7),
-               libavutil-dev (>= 7:2.7),
-               libswscale-dev (>= 7:2.7),
+               libavcodec-dev,
+               libavformat-dev,
+               libavutil-dev,
+               libswscale-dev,
                libx264-dev,
                libvpx-dev,
                libsqlite3-dev,
                pkg-config,
                uuid-dev
 Standards-Version: 4.5.0
 Homepage: http://sipsimpleclient.org
 
 Package: python3-sipsimple
 Architecture: any
 Depends: ${python3:Depends}, ${shlibs:Depends}, ${misc:Depends},
          python3-application,
          python3-dateutil,
          python3-dnspython,
          python3-eventlib,
          python3-gnutls,
          python3-lxml,
          python3-msrplib,
-         python3-otr
+         python3-otr,
          python3-twisted,
          python3-xcaplib
 Suggests: libavahi-compat-libdnssd1
 Provides: ${python3:Provides}
 Description: Python SDK for development of SIP end-points
  SIP SIMPLE client SDK is a Software Development Kit for easy development of
  SIP end-points that support rich media like Audio, Video, Instant Messaging,
  File Transfers, Desktop Sharing and Presence. Other media types can be added
  by using an extensible high-level API.
 
diff --git a/setup.py b/setup.py
index 9675c405..755fe188 100755
--- a/setup.py
+++ b/setup.py
@@ -1,66 +1,66 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 
 import glob
 import os
 
 from distutils.core import setup
 from distutils.extension import Extension
 from setup_pjsip import PJSIP_build_ext
 
 
 def find_packages(root):
     return [directory.replace(os.path.sep, '.') for directory, sub_dirs, files in os.walk(root) if '__init__.py' in files]
 
 
 class PackageInfo(object):
     def __init__(self, info_file):
         with open(info_file) as f:
             exec(f.read(), self.__dict__)
         self.__dict__.pop('__builtins__', None)
 
     def __getattribute__(self, name):  # this is here to silence the IDE about missing attributes
         return super(PackageInfo, self).__getattribute__(name)
 
 
 package_info = PackageInfo(os.path.join('sipsimple', '__info__.py'))
 
 
 setup(
     name=package_info.__project__,
     version=package_info.__version__,
 
     description=package_info.__summary__,
     license=package_info.__license__,
     url=package_info.__webpage__,
 
     author=package_info.__author__,
     author_email=package_info.__email__,
 
     platforms=["Platform Independent"],
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
         "Intended Audience :: Telecommunications Industry",
         "License :: OSI Approved :: GNU General Public License (GPL)",
         "Operating System :: OS Independent",
         "Programming Language :: C",
         "Programming Language :: Cython",
         "Programming Language :: Python"
     ],
 
     packages=find_packages('sipsimple'),
     package_data={
         'sipsimple.payloads': ['xml-schemas/*']
     },
 
     ext_modules=[
         Extension(name="sipsimple.core._core", sources=["sipsimple/core/_core.pyx", "sipsimple/core/_core.pxd"] + glob.glob(os.path.join("sipsimple", "core", "_core.*.pxi"))),
         Extension(name="sipsimple.util._sha1", sources=["sipsimple/util/_sha1.pyx"], depends=["sipsimple/util/_sha1.h"])
     ],
 
     cmdclass={
         'build_ext': PJSIP_build_ext
     },
 
     provides=['sipsimple']
 )
diff --git a/sipsimple/__info__.py b/sipsimple/__info__.py
index 10de707a..57091425 100644
--- a/sipsimple/__info__.py
+++ b/sipsimple/__info__.py
@@ -1,14 +1,14 @@
 
 """Package information"""
 
-__project__ = "python-sipsimple"
+__project__ = "python3-sipsimple"
 __summary__ = "SIP SIMPLE implementation for Python"
 __webpage__ = "https://sipsimpleclient.org"
 
 __version__ = "4.0.0"
 
 __author__ = "AG Projects"
 __email__ = "support@ag-projects.com"
 
 __license__ = "GPL"
 __copyright__ = "Copyright 2008-2021 {}".format(__author__)