diff --git a/.zuul.yaml b/.zuul.yaml
index 372206cf58..597a0957fc 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -569,6 +569,7 @@
 
 - job:
     name: devstack-unit-tests
+    nodeset: ubuntu-bionic
     description: |
       Runs unit tests on devstack project.