diff --git a/dmz/istio-system/Chart.yaml b/dmz/istio-system/Chart.yaml
index 85afa7b..bc998c9 100644
--- a/dmz/istio-system/Chart.yaml
+++ b/dmz/istio-system/Chart.yaml
@@ -11,7 +11,7 @@ dependencies:
     version: 1.26.0
   - name: istiod
     repository: https://istio-release.storage.googleapis.com/charts
-    version: 1.25.1
+    version: 1.26.0
   - name: gateway
     repository: https://istio-release.storage.googleapis.com/charts
     version: 1.26.0
\ No newline at end of file
diff --git a/infra/istio-system/Chart.yaml b/infra/istio-system/Chart.yaml
index 7647dac..d619b5e 100644
--- a/infra/istio-system/Chart.yaml
+++ b/infra/istio-system/Chart.yaml
@@ -11,7 +11,7 @@ dependencies:
   version: 1.26.0
 - name: istiod
   repository: https://istio-release.storage.googleapis.com/charts
-  version: 1.25.1
+  version: 1.26.0
 - name: gateway
   repository: https://istio-release.storage.googleapis.com/charts
   version: 1.26.0