diff --git a/COLLABORATOR_GUIDE.md b/COLLABORATOR_GUIDE.md
index e50cdcf98d..9d37f5ca5e 100644
--- a/COLLABORATOR_GUIDE.md
+++ b/COLLABORATOR_GUIDE.md
@@ -68,6 +68,10 @@ TC for resolution (see below).
 All bugfixes require a test case which demonstrates the defect. The
 test should *fail* before the change, and *pass* after the change.
 
+All pull requests that modify executable code should be subjected to
+continuous integration tests on the
+[project CI server](https://jenkins-iojs.nodesource.com/).
+
 ### Involving the TC
 
 Collaborators may opt to elevate pull requests or issues to the TC for