diff --git a/inventory/group_vars/jenkins-slave b/inventory/group_vars/jenkins-slave
index dfe0096d9b..5f4ea8ed6a 100644
--- a/inventory/group_vars/jenkins-slave
+++ b/inventory/group_vars/jenkins-slave
@@ -284,3 +284,4 @@ f25_only:
 - python33
 - python34
 - python36
+- swig                # required for coco