diff --git a/deploy/longhorn.yaml b/deploy/longhorn.yaml
index 644a43a..92167be 100644
--- a/deploy/longhorn.yaml
+++ b/deploy/longhorn.yaml
@@ -181,7 +181,7 @@ spec:
     spec:
       containers:
       - name: longhorn-manager
-        image: rancher/longhorn-manager:v0.4.0-rc1
+        image: rancher/longhorn-manager:v0.4.0-rc2
         imagePullPolicy: Always
         securityContext:
           privileged: true
@@ -190,9 +190,9 @@ spec:
         - -d
         - daemon
         - --engine-image
-        - rancher/longhorn-engine:v0.4.0-rc1
+        - rancher/longhorn-engine:v0.4.0-rc2
         - --manager-image
-        - rancher/longhorn-manager:v0.4.0-rc1
+        - rancher/longhorn-manager:v0.4.0-rc2
         - --service-account
         - longhorn-service-account
         ports:
@@ -258,7 +258,7 @@ metadata:
   name: longhorn-ui
   namespace: longhorn-system
 spec:
-  replicas: 3
+  replicas: 1
   selector:
     matchLabels:
       app: longhorn-ui
@@ -269,7 +269,7 @@ spec:
     spec:
       containers:
       - name: longhorn-ui
-        image: rancher/longhorn-ui:v0.4.0-rc1
+        image: rancher/longhorn-ui:v0.4.0-rc2
         ports:
         - containerPort: 8000
         env:
@@ -308,18 +308,18 @@ spec:
     spec:
       initContainers:
         - name: wait-longhorn-manager
-          image: rancher/longhorn-manager:v0.4.0-rc1
+          image: rancher/longhorn-manager:v0.4.0-rc2
           command: ['sh', '-c', 'while [ $(curl -m 1 -s -o /dev/null -w "%{http_code}" http://longhorn-backend:9500/v1) != "200" ]; do echo waiting; sleep 2; done']
       containers:
         - name: longhorn-driver-deployer
-          image: rancher/longhorn-manager:v0.4.0-rc1
+          image: rancher/longhorn-manager:v0.4.0-rc2
           imagePullPolicy: Always
           command:
           - longhorn-manager
           - -d
           - deploy-driver
           - --manager-image
-          - rancher/longhorn-manager:v0.4.0-rc1
+          - rancher/longhorn-manager:v0.4.0-rc2
           - --manager-url
           - http://longhorn-backend:9500/v1
           # manually choose "flexvolume" or "csi"
diff --git a/uninstall/uninstall.yaml b/uninstall/uninstall.yaml
index a6fc270..6501f54 100644
--- a/uninstall/uninstall.yaml
+++ b/uninstall/uninstall.yaml
@@ -12,7 +12,7 @@ spec:
     spec:
       containers:
       - name: longhorn-uninstall
-        image: rancher/longhorn-manager:v0.4.0-rc1
+        image: rancher/longhorn-manager:v0.4.0-rc2
         imagePullPolicy: Always
         command:
         - longhorn-manager