diff --git a/k8s-peterg/argo-workflows/values.yaml b/k8s-peterg/argo-workflows/values.yaml
index 26b8dcf..e5ad423 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:adcce37a4f1a4babdf82b6f8385288dfc0a7c0060f295d45bd9e38dd6abb59fb"
   rbac:
     # -- Adds Role and RoleBinding for the server.
     create: true