diff --git a/.travis.yml b/.travis.yml
index 42baf14..d7102ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,15 @@ language: python
 python:
   - "2.7"
   - "3.5"
+  - "3.6"
 
+dist: trusty
+sudo: false
 addons:
-  postgresql: "9.4"
+  postgresql: "9.5"
+  apt:
+    packages:
+      - postgresql-9.5-postgis-2.3
 
 services: postgresql
 
diff --git a/README.md b/README.md
index 756249d..0290b9b 100644
--- a/README.md
+++ b/README.md
@@ -123,6 +123,21 @@ If you want your user to have super privileges:
 
     ALTER USER cosmopolitan WITH SUPERUSER;
 
+Tip for local development using (OS X)
+
+Install [GDAL binaries]() for OSX, and add the following to .bash_profile:
+
+    GDAL_LIBRARY_PATH="/Library/Frameworks/GDAL.framework/Versions/1.11/GDAL"
+    GEOS_LIBRARY_PATH="/Library/Frameworks/GEOS.framework/Versions/3/GEOS"
+
+Then add the following to your local Django settings:
+
+    # GeoDjango fixes
+    GDAL_LIBRARY_PATH = os.environ.get('GDAL_LIBRARY_PATH')
+    GEOS_LIBRARY_PATH = os.environ.get('GEOS_LIBRARY_PATH')
+
+(see https://www.alextomkins.com/2017/08/fixing-gdal-geos-django-macos/ for details)
+
 ## Starting from scratch
 
 ### Requirements