diff --git a/.zuul.yaml b/.zuul.yaml
index 67d4c24000..1761d8f1a7 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -675,6 +675,7 @@
 
 - job:
     name: devstack-unit-tests
+    nodeset: ubuntu-focal
     description: |
       Runs unit tests on devstack project.