diff --git a/k8s-peterg/argo-workflows/values.yaml b/k8s-peterg/argo-workflows/values.yaml
index 26b8dcf..0b073fe 100644
--- a/k8s-peterg/argo-workflows/values.yaml
+++ b/k8s-peterg/argo-workflows/values.yaml
@@ -155,7 +155,7 @@ server:
     # -- Repository to use for the server
     repository: argoproj/argocli
     # -- Image tag for the Argo Workflows server. Defaults to `.Values.images.tag`.
-    tag: ""
+    tag: "@sha256:1ff89943e10ac7ff7c336ae5aaeb5efc7e0e5fc91dd24510374dc2b4c87a74dd"
   rbac:
     # -- Adds Role and RoleBinding for the server.
     create: true