diff --git a/examples/full-cluster-tf-upgrade/1.31/images.yml b/examples/full-cluster-tf-upgrade/1.31/images.yml
index c8de82e..6d9c0fd 100644
--- a/examples/full-cluster-tf-upgrade/1.31/images.yml
+++ b/examples/full-cluster-tf-upgrade/1.31/images.yml
@@ -78,8 +78,7 @@ istio-operator:
   source_image: "istio/operator"
   source_tag: null
   enabled: true
-  #  tag: "1.25.3"
-  tag: "1.26.0"
+  tag: "1.23.6"
 istio-pilot:
   documentation: "https://istio.io/latest/docs/releases/supported-releases"
   name: "istio/pilot"