diff --git a/.travis.yml b/.travis.yml
index 0e78a8c6..af20008b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ addons:
     - gfortran
     - gcc
     - liblapack-dev
-    - graphviz
+#    - graphviz
 
 cache:
   directories: