diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 08ae8653402ce7056e8688c702da46ea6799afc6..fae0cedf16ec1fd7bdf177948555d7b655fbfd18 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -1,3 +1,3 @@
 apiVersion: v2
 name: bigbang
-version: 1.0.1
+version: 1.0.2
diff --git a/chart/values.yaml b/chart/values.yaml
index 5ca03e002cc7109e64752b629057dae34bf69418..ab9449ce3d46e4a966a04c4f4d9bcd4fefad16d8 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -50,7 +50,7 @@ istio:
   git:
     repo: https://repo1.dsop.io/platform-one/big-bang/apps/core/istio-controlplane.git
     path: "./chart"
-    tag: "1.7.3-bb.0"
+    tag: "1.7.3-bb.4"
   values: {}
 
 istiooperator: