diff --git a/.travis.yml b/.travis.yml
index 8b206833970f..09bf21b0b8a4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,7 +31,7 @@ script:
   # Generate the font caches in a single process before starting the
   # multiple processes
   - python -c "from matplotlib import font_manager"
-  - python ../matplotlib/tests.py -sv --processes=8 --process-timeout=300
+  - python ../matplotlib/tests.py -sv --processes=8 --process-timeout=900
 
 after_failure:
   - tar cjf result_images.tar.bz2 result_images