diff --git a/tests/sequence b/tests/sequence
index ef49c991..8cd44c87 100644
--- a/tests/sequence
+++ b/tests/sequence
@@ -25,8 +25,7 @@ lock-conflicting-batch-commit.sh
 cross-mount-data-free.sh
 persistent-item-vers.sh
 setup-error-teardown.sh
-# failing in jenkins pr runners, zab's working on it
-#umount-unmount-race.sh
+mount-unmount-race.sh
 createmany-parallel-mounts.sh
 archive-light-cycle.sh
 stale-btree-read.sh