diff --git a/chart/values.yaml b/chart/values.yaml
index 417a499867ce8810cc405b455b4a8afe3b2bc716..f27aeb0ab17af0bc04a0d205c44b6e78abc49152 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: