diff --git a/.zuul.yaml b/.zuul.yaml
index 71a429550f..b23fba6c65 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -67,6 +67,7 @@
         tempest: true
       tempest_concurrency: 2
       tempest_test_regex: horizon
+      tox_envlist: all
       tox_venvlist: all
 
 - project: