diff --git a/.travis.yml b/.travis.yml
index 10f25e2e..e74d37bf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,4 @@
 dist: xenial
-sudo: True
 language: python
 cache: pip
 addons:
@@ -14,51 +13,12 @@ matrix:
   include:
     - { python: "3.5", env: TOXENV=py35-django111 }
     - { python: "3.6", env: TOXENV=py36-django111 }
-    - { python: "3.5", env: TOXENV=py35-django20 }
-    - { python: "3.6", env: TOXENV=py36-django20 }
     - { python: "3.5", env: TOXENV=py35-django21 }
     - { python: "3.6", env: TOXENV=py36-django21 }
+    - { python: "3.7", env: TOXENV=py37-django21 }
     - { python: "3.5", env: TOXENV=py35-django22 }
     - { python: "3.6", env: TOXENV=py36-django22 }
-
-    # https://github.com/travis-ci/travis-ci/issues/9815
-    - env: TOXENV=py37-django20
-      python: "3.7"
-      dist: xenial
-      sudo: true
-      addons:
-        postgresql: "9.4"
-        apt:
-            packages:
-            - postgresql-9.4-postgis-2.4
-      services:
-        - postgresql
-
-    # https://github.com/travis-ci/travis-ci/issues/9815
-    - env: TOXENV=py37-django21
-      python: "3.7"
-      dist: xenial
-      sudo: true
-      addons:
-        postgresql: "9.4"
-        apt:
-            packages:
-            - postgresql-9.4-postgis-2.4
-      services:
-        - postgresql
-
-    # https://github.com/travis-ci/travis-ci/issues/9815
-    - env: TOXENV=py37-django22
-      python: "3.7"
-      dist: xenial
-      sudo: true
-      addons:
-        postgresql: "9.4"
-        apt:
-            packages:
-            - postgresql-9.4-postgis-2.4
-      services:
-        - postgresql
+    - { python: "3.7", env: TOXENV=py37-django22 }
 
 branches:
   only:
diff --git a/README.rst b/README.rst
index b428cea7..e70436db 100644
--- a/README.rst
+++ b/README.rst
@@ -39,6 +39,7 @@ Compatibility with DRF, Django and Python
 
 ===============  ============================ ==================== ==================================
 DRF-gis version  DRF version                  Django version       Python version
+**0.15.x**       **3.3** to **3.9**           **1.11** to **2.2**   **3.4** to **3.7**
 **0.14.x**       **3.3** to **3.9**           **1.11** to **2.1**   **3.4** to **3.7**
 **0.13.x**       **3.3** to **3.8**           **1.11** to **2.0**   **2.7** to **3.6**
 **0.12.x**       **3.1** to **3.7**           **1.11** to **2.0**   **2.7** to **3.6**
diff --git a/tox.ini b/tox.ini
index 4b03f5d5..d7f1cfe0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,7 @@
 [tox]
 envlist =
     py{35,36,py3}-django111{,-pytest}
-    py{35,36,37,py3}-django20{,-pytest}
-    py{35,36,37,py3}-django21{,-pytest}
-    py{35,36,37,py3}-django22{,-pytest}
+    py{35,36,37,py3}-django{21, 22}{,-pytest}
 
 [testenv]
 usedevelop = true
@@ -18,7 +16,6 @@ commands =
 
 deps =
     django111: Django~=1.11
-    django20: Django~=2.0
     django21: Django~=2.1
     django22: Django~=2.2
     djangorestframework~=3.9