diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ff6bb95..642eacf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,8 +2,7 @@ variables:
   GITLAB_CI_IMAGE_ALPINE: 'alpine:3.9'
   GITLAB_CI_IMAGE_DOCKER: 'docker:18.09'
   GITLAB_CI_IMAGE_NODE: 'node:12.13.1'
-  GITLAB_CI_IMAGE_PYTHON2: 'python:2'
-  GITLAB_CI_IMAGE_PYTHON3: 'python:3'
+  GITLAB_CI_IMAGE_PYTHON: 'python:3'
   GITLAB_CI_PYPI_DOCKER_COMPOSE: 'docker-compose~=1.23.0'
   GITLAB_CI_PYPI_TOX: 'tox~=3.8.0'
 stages:
@@ -25,21 +24,14 @@ static_js_css:
       - network/static/lib
 static_python:
   stage: static
-  image: ${GITLAB_CI_IMAGE_PYTHON2}
+  image: ${GITLAB_CI_IMAGE_PYTHON}
   before_script:
     - pip install "$GITLAB_CI_PYPI_TOX"
   script:
-    - tox -e "py2-flake8,isort,yapf,py2-pylint"
-static_python3:
-  stage: static
-  image: ${GITLAB_CI_IMAGE_PYTHON3}
-  before_script:
-    - pip install "$GITLAB_CI_PYPI_TOX"
-  script:
-    - tox -e "py3-flake8,py3-pylint"
+    - tox -e "flake8,isort,yapf,pylint"
 docs:
   stage: build
-  image: ${GITLAB_CI_IMAGE_PYTHON3}
+  image: ${GITLAB_CI_IMAGE_PYTHON}
   before_script:
     - pip install "$GITLAB_CI_PYPI_TOX"
   script:
@@ -52,18 +44,7 @@ docs:
       - docs/_build/html
 build:
   stage: build
-  image: ${GITLAB_CI_IMAGE_PYTHON2}
-  script:
-    - rm -rf dist
-    - python setup.py sdist bdist_wheel
-  artifacts:
-    expire_in: 1 week
-    when: always
-    paths:
-      - dist
-build3:
-  stage: build
-  image: ${GITLAB_CI_IMAGE_PYTHON3}
+  image: ${GITLAB_CI_IMAGE_PYTHON}
   script:
     - rm -rf dist
     - python setup.py sdist bdist_wheel
@@ -74,22 +55,13 @@ build3:
       - dist
 test:
   stage: test
-  image: ${GITLAB_CI_IMAGE_PYTHON2}
+  image: ${GITLAB_CI_IMAGE_PYTHON}
   before_script:
     - pip install "$GITLAB_CI_PYPI_TOX"
     - apt-get update
     - apt-get install -y ruby-sass
   script:
-    - tox -e deps,py2-pytest
-test3:
-  stage: test
-  image: ${GITLAB_CI_IMAGE_PYTHON3}
-  before_script:
-    - pip install "$GITLAB_CI_PYPI_TOX"
-    - apt-get update
-    - apt-get install -y ruby-sass
-  script:
-    - tox -e deps,py3-pytest
+    - tox -e deps,pytest
 docker:
   stage: deploy
   image: ${GITLAB_CI_IMAGE_DOCKER}
diff --git a/.pylintrc3 b/.pylintrc3
deleted file mode 100644
index 146f8bb..0000000
--- a/.pylintrc3
+++ /dev/null
@@ -1,12 +0,0 @@
-[MASTER]
-ignore=_version.py,migrations
-load-plugins=pylint_django
-ignored-argument-names=args|kwargs
-
-[MESSAGES CONTROL]
-disable=
-    E1121, # too-many-function-args
-    R0801, # needs to remain disabled see https://github.com/PyCQA/pylint/issues/214
-    R0912, # too-many-branches
-    R0913, # too-many-arguments
-    R0914, # too-many-locals
diff --git a/Dockerfile b/Dockerfile
index ed3310a..232c646 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:2
+FROM python:3
 MAINTAINER SatNOGS project <dev@satnogs.org>
 
 WORKDIR /workdir/
diff --git a/network/users/migrations/0004_username_unicode_validator.py b/network/users/migrations/0004_username_unicode_validator.py
new file mode 100644
index 0000000..b96aad6
--- /dev/null
+++ b/network/users/migrations/0004_username_unicode_validator.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.27 on 2020-01-10 19:48
+from __future__ import unicode_literals
+
+import django.contrib.auth.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0003_auto_20160922_1505'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='username',
+            field=models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.UnicodeUsernameValidator()], verbose_name='username'),
+        ),
+    ]
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 1e9b6aa..0d27eae 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,23 +5,20 @@
 -r requirements.txt
 
 apipkg==1.5
-atomicwrites==1.3.0
 attrs==19.3.0
-coverage==5.0.1
+coverage==5.0.2
 execnet==1.7.1
 factory-boy==2.11.1
 Faker==0.8.18
 filelock==3.0.12
-funcsigs==1.0.2
-ipaddress==1.0.23
 mock==2.0.0
-packaging==19.2
+packaging==20.0
 pbr==5.4.4
 pluggy==0.13.1
 pur==5.2.2
 py==1.8.1
 pyparsing==2.4.6
-pytest==4.6.8
+pytest==5.3.2
 pytest-cov==2.6.1
 pytest-django==3.4.8
 pytest-forked==0.2
diff --git a/requirements.txt b/requirements.txt
index f432403..4257c6e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,8 +12,8 @@ certifi==2019.11.28
 chardet==3.0.4
 Click==7.0
 clint==0.5.1
-configparser==4.0.2
 contextlib2==0.5.5
+defusedxml==0.6.0
 dj-database-url==0.5.0
 Django==1.11.27
 django-allauth==0.35.0
@@ -32,7 +32,6 @@ django-shortuuidfield==0.1.3
 djangorestframework==3.7.7
 dnspython==1.16.0
 docopt==0.6.2
-enum34==1.1.6
 ephem==3.7.7.0
 eventlet==0.25.1
 future==0.18.2
@@ -46,15 +45,14 @@ jsonpointer==2.0
 kombu==4.6.7
 Markdown==2.6.11
 monotonic==1.5
-more-itertools==5.0.0
+more-itertools==8.0.2
 mysqlclient==1.3.14
 oauthlib==3.1.0
-pathlib2==2.3.5
 Pillow==5.0.0
 PyJWT==1.7.1
 python-decouple==3.1
 python-dotenv==0.6.5
-python-openid==2.2.5
+python3-openid==3.1.0
 pytz==2019.3
 rcssmin==1.0.6
 redis==3.3.11
@@ -62,7 +60,6 @@ requests==2.22.0
 requests-oauthlib==1.3.0
 rjsmin==1.0.12
 satellitetle==0.8.1
-scandir==1.10.0
 schema==0.7.1
 sentry-sdk==0.7.14
 sgp4==1.4
diff --git a/setup.cfg b/setup.cfg
index b4a4608..cfe577b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,7 +13,7 @@ classifiers =
     License :: OSI Approved :: GNU Affero General Public License v3
     Operating System :: POSIX :: Linux
     Programming Language :: Python
-    Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3
     Topic :: Communications :: Ham Radio
     Topic :: Internet :: WWW/HTTP
     Topic :: Internet :: WWW/HTTP :: Dynamic Content
diff --git a/tox.ini b/tox.ini
index 093d6cf..be11349 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,17 +1,15 @@
 [tox]
-envlist = py2-flake8,isort,yapf,py2-pylint,py-pylint-py3k,{py2,py3}-build,py2-pytest,docs
+envlist = flake8,isort,yapf,pylint,build,pytest,docs
 
 [depversions]
 flake8 = 3.7.8
 isort = 4.3.18
 yapf = 0.28.0
-pylint = 1.9.5
-pylint3 = 2.3.1
-pylint_django = 0.11.1
-pylint_django3 = 2.0.11
+pylint = 2.3.1
+pylint_django = 2.0.11
 sphinx_rtd_theme = 0.4.3
 
-[testenv:py2-flake8]
+[testenv:flake8]
 deps =
     flake8=={[depversions]flake8}
 skip_install = True
@@ -39,39 +37,16 @@ deps =
 skip_install = True
 commands = yapf -i -r .
 
-[testenv:py2-pylint]
+[testenv:pylint]
 deps =
     pylint=={[depversions]pylint}
     pylint-django=={[depversions]pylint_django}
 extras = dev
-commands = pylint\
+commands = pylint \
     {envsitepackagesdir}/network \
     {envsitepackagesdir}/auth0login
 
-[testenv:py2-pylint-py3k]
-deps =
-    pylint=={[depversions]pylint}
-    pylint-django=={[depversions]pylint_django}
-extras = dev
-commands = pylint --py3k\
-    {envsitepackagesdir}/network \
-    {envsitepackagesdir}/auth0login
-
-[testenv:py3-pylint]
-deps =
-    pylint=={[depversions]pylint3}
-    pylint-django=={[depversions]pylint_django3}
-extras = dev
-commands = pylint --rcfile=.pylintrc3 \
-    {envsitepackagesdir}/network \
-    {envsitepackagesdir}/auth0login
-
-[testenv:py2-build]
-skip_install = True
-commands =
-    python setup.py sdist bdist_wheel
-
-[testenv:py3-build]
+[testenv:build]
 skip_install = True
 commands =
     python setup.py sdist bdist_wheel
@@ -91,15 +66,7 @@ deps =
 extras = dev
 commands = pip check
 
-[testenv:py2-pytest]
-install_command = python -m pip install --no-deps {opts} {packages}
-deps =
-    -rrequirements-dev.txt
-usedevelop = True
-extras = dev
-commands = pytest
-
-[testenv:py3-pytest]
+[testenv:pytest]
 install_command = python -m pip install --no-deps {opts} {packages}
 deps =
     -rrequirements-dev.txt