diff --git a/inventory/group_vars/jenkins-slave b/inventory/group_vars/jenkins-slave
index 4e9b7d394a..ed525a453e 100644
--- a/inventory/group_vars/jenkins-slave
+++ b/inventory/group_vars/jenkins-slave
@@ -55,6 +55,7 @@ slave_packages_common:
 - sqlite-devel       # Required by fedora-hubs (ticket #5425)
 - python-virtualenvwrapper  # Required by fedora-hubs (ticket #5425)
 - swig               # Required by fm-orchestrator (ticket #5517)
+- python-tox         # Required by resultsdb_conventions (ticket #5785)
 
 # Packages installed only on Fedora Jenkins slaves
 slave_packages_fedora: