diff --git a/travis.cfg b/travis.cfg
index 39de63f..456e809 100644
--- a/travis.cfg
+++ b/travis.cfg
@@ -9,6 +9,10 @@ parts +=
     flake8
     createcoverage
 
+
+[sources]
+collective.workspace = git https://github.com/ploneintranet/collective.workspace.git
+
 [flake8]
 recipe = zc.recipe.egg
 eggs = flake8