diff --git a/zuul.d/zuul-legacy-jobs.yaml b/zuul.d/zuul-legacy-jobs.yaml
index d5328498..3c2edc57 100644
--- a/zuul.d/zuul-legacy-jobs.yaml
+++ b/zuul.d/zuul-legacy-jobs.yaml
@@ -10792,6 +10792,8 @@
     run: playbooks/legacy/releases-python35/run
     post-run: playbooks/legacy/releases-python35/post
     timeout: 2400
+    required-projects:
+      - openstack/requirements
 
 - job:
     name: legacy-releases-tox-list-changes