diff --git a/clusters/cl01tl/helm/rybbit/values.yaml b/clusters/cl01tl/helm/rybbit/values.yaml
index 21a6a02a1..874f8fea2 100644
--- a/clusters/cl01tl/helm/rybbit/values.yaml
+++ b/clusters/cl01tl/helm/rybbit/values.yaml
@@ -302,6 +302,11 @@ postgres-18-cluster:
       #   backupName: external
 volsync-target-clickhouse-data:
   pvcTarget: clickhouse-data
+  moverSecurityContext:
+    runAsUser: 101
+    runAsGroup: 101
+    fsGroup: 101
+    fsGroupChangePolicy: OnRootMismatch
   local:
     enabled: true
     schedule: 40 11 * * *