diff --git a/suites/rados/monthrash/ceph/ceph.yaml b/suites/rados/monthrash/ceph/ceph.yaml
index 2030acb9083..a2c0efc7779 100644
--- a/suites/rados/monthrash/ceph/ceph.yaml
+++ b/suites/rados/monthrash/ceph/ceph.yaml
@@ -1,3 +1,9 @@
+overrides:
+  ceph:
+    conf:
+      mon:
+        mon min osdmap epochs: 25
+        paxos service trim min: 5
 tasks:
 - install:
 - ceph: