diff --git a/.travis.yml b/.travis.yml
index fd721f8..535aee4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,12 @@
+---
 language: python
 dist: bionic
 python:
   - "2.7"
-  - "3.5"
   - "3.6"
   - "3.7"
   - "3.8"
+  - "3.9"
 
 install:
   - pip install tox tox-travis
diff --git a/CHANGES.rst b/CHANGES.rst
index de4cfe5..8829160 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,8 +4,10 @@ Changelog
 Unreleased
 ----------
 
-- Drop support for Python 3.4.
-- Drop support for pytest < 4.3.
+- Add support for Python 3.9.
+- Drop support for Python 3.4, 3.5.
+- Add support for pytest 6.
+- Drop support for pytest < 4.6.
 
 
 2.0.3
diff --git a/pyproject.toml b/pyproject.toml
index 632eb80..ca79cf6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,3 @@
 [tool.black]
 line-length = 120
-target-version = ['py27', 'py35', 'py36', 'py37', 'py38']
+target-version = ['py27', 'py36', 'py37', 'py38']
diff --git a/setup.py b/setup.py
index c7006f4..4be1b0d 100755
--- a/setup.py
+++ b/setup.py
@@ -42,15 +42,15 @@
         "Programming Language :: Python :: 2",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
     install_requires=[
         "inflection",
         "factory_boy>=2.10.0",
-        "pytest>=4.3",
+        "pytest>=4.6",
         'funcsigs;python_version<"3.0"',
     ],
     # the following makes a plugin available to py.test
diff --git a/tox.ini b/tox.ini
index daa1bd5..42477aa 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,17 @@
 [tox]
 distshare = {homedir}/.tox/distshare
-envlist = py27-pytest{43,44,45,46},
-          py38-pytest{43,44,45,46,50,51,52,53,54,60,latest},
+envlist = py27-pytest46,
+          py38-pytest{46,50,51,52,53,54,60,61,62,latest,master},
           py38-pytestlatest-linters,
-          py{35,36,37}-pytestlatest
+          py{36,37,39}-pytestlatest
 
 [testenv]
 commands = pytest --junitxml={envlogdir}/junit-{envname}.xml {posargs:tests}
 deps =
     pytestlatest: pytest
+    pytestmaster: git+https://github.com/pytest-dev/pytest.git@master
+    pytest62: pytest~=6.2.0
+    pytest61: pytest~=6.1.0
     pytest60: pytest~=6.0.0
     pytest54: pytest~=5.4.0
     pytest53: pytest~=5.3.0
@@ -16,9 +19,6 @@ deps =
     pytest51: pytest~=5.1.0
     pytest50: pytest~=5.0.0
     pytest46: pytest~=4.6.0
-    pytest45: pytest~=4.5.0
-    pytest44: pytest~=4.4.0
-    pytest43: pytest~=4.3.0
 
     -r{toxinidir}/requirements-testing.txt
 
@@ -26,6 +26,9 @@ deps =
 deps = black
 commands = black --check --verbose setup.py pytest_factoryboy tests
 
+[testenv:py38-pytestmaster]
+# allow failures of tests run for `pytest` installed from `master` branch
+ignore_outcome = true
+
 [pytest]
 addopts = -vv -l
-pep8maxlinelength = 120