diff --git a/dmz/istio-system/Chart.yaml b/dmz/istio-system/Chart.yaml
index 1794b71..85afa7b 100644
--- a/dmz/istio-system/Chart.yaml
+++ b/dmz/istio-system/Chart.yaml
@@ -14,4 +14,4 @@ dependencies:
     version: 1.25.1
   - name: gateway
     repository: https://istio-release.storage.googleapis.com/charts
-    version: 1.25.1
\ No newline at end of file
+    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 846d267..7647dac 100644
--- a/infra/istio-system/Chart.yaml
+++ b/infra/istio-system/Chart.yaml
@@ -14,4 +14,4 @@ dependencies:
   version: 1.25.1
 - name: gateway
   repository: https://istio-release.storage.googleapis.com/charts
-  version: 1.25.1
+  version: 1.26.0