diff --git a/.travis.yml b/.travis.yml
index 77b08f7..66de841 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ python:
   - 3.6
   - 3.7
   - 3.8
+  - 3.9-dev
 install:
   - pip install tox
   - pip install -q tox-travis
diff --git a/setup.py b/setup.py
index 94c3432..a8c2ab2 100644
--- a/setup.py
+++ b/setup.py
@@ -42,6 +42,7 @@ CLASSIFIERS = [
     "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
 ]
 KEYWORDS = [
     "file",
diff --git a/tox.ini b/tox.ini
index 24b7dc6..bbe52f8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{35,36,36,37,38}-django{111,22,30},
+envlist = py{36,37,38,39}-django{22,30,31},
           flake8, sphinx, readme
 
 [travis]