diff --git a/.travis.yml b/.travis.yml
index 4cf115c..5d568f8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -46,7 +46,7 @@ before_install:
   #
   # python bindings runtime dependencies
   - sudo apt-get update -qq
-  - sudo apt-get install python-pip python-dev lib64ffi-dev libffi6 
+  - sudo apt-get install python-pip python-dev lib64ffi6 lib64ffi-dev libffi6 
   - sudo pip install cffi
   #
   # finally prepare autoconf stuff