diff --git a/zuul.d/grenade.yaml b/zuul.d/grenade.yaml
index d894f7a7421..bd65f1fd64f 100644
--- a/zuul.d/grenade.yaml
+++ b/zuul.d/grenade.yaml
@@ -323,11 +323,14 @@
     description: |
       Grenade job that skips a release, validating that deployers can skip
       specific releases as prescribed by our process.
+    # See background from gmann:
+    # https://review.opendev.org/c/openstack/manila/+/859875/1/zuul.d/grenade-jobs.yaml
+    branches: ^(?!stable/(pike|queens|rocky|stein|train|ussuri|victoria|wallaby|xena|zed)).*$
     vars:
       # Move this forward when master changes to a new skip-level-allowed
       # target release. Right now, this is xena because master is zed.
       # When master is A, this should become yoga, and so forth.
-      grenade_from_branch: stable/xena
+      grenade_from_branch: stable/yoga
       grenade_localrc:
         NOVA_ENABLE_UPGRADE_WORKAROUND: True
 
@@ -337,10 +340,13 @@
     description: |
       Grenade job that skips a release, validating that deployers can skip
       specific releases as prescribed by our process.
+    # See background from gmann:
+    # https://review.opendev.org/c/openstack/manila/+/859875/1/zuul.d/grenade-jobs.yaml
+    branches: ^(?!stable/(pike|queens|rocky|stein|train|ussuri|victoria|wallaby|xena|zed)).*$
     vars:
       # Move this forward when master changes to a new skip-level-allowed
       # target release. Right now, this is xena because master is zed.
       # When master is A, this should become yoga, and so forth.
-      grenade_from_branch: stable/xena
+      grenade_from_branch: stable/yoga
       grenade_localrc:
         NOVA_ENABLE_UPGRADE_WORKAROUND: True