diff --git a/charts/greptimedb-operator/Chart.yaml b/charts/greptimedb-operator/Chart.yaml
index 6446de2..394b7d0 100644
--- a/charts/greptimedb-operator/Chart.yaml
+++ b/charts/greptimedb-operator/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 kubeVersion: ">=1.18.0-0"
 description: The greptimedb-operator Helm chart for Kubernetes
 name: greptimedb-operator
-appVersion: 0.1.0-alpha.15
-version: 0.1.1-alpha.12
+appVersion: 0.1.0-alpha.16
+version: 0.1.1-alpha.13
 type: application
 home: https://github.com/GreptimeTeam/greptimedb-operator
 sources:
diff --git a/charts/greptimedb-operator/values.yaml b/charts/greptimedb-operator/values.yaml
index 5afed56..7e31ecd 100644
--- a/charts/greptimedb-operator/values.yaml
+++ b/charts/greptimedb-operator/values.yaml
@@ -7,7 +7,7 @@ image:
   # The image pull policy for the controller
   imagePullPolicy: IfNotPresent
   # The image tag
-  tag: 0.1.0-alpha.15
+  tag: 0.1.0-alpha.16
   # The image pull secrets.
   pullSecrets: []
 
@@ -26,11 +26,11 @@ replicas: 1
 # Default resources for greptimedb operator
 resources:
   limits:
-    cpu: 500m
-    memory: 128Mi
+    cpu: 200m
+    memory: 256Mi
   requests:
-    cpu: 250m
-    memory: 64Mi
+    cpu: 100m
+    memory: 128Mi
 
 rbac:
   # install Role Based Access Control