diff --git a/charts/argocd-apps/Chart.yaml b/charts/argocd-apps/Chart.yaml
index 15cdbc0a..c4433fa4 100644
--- a/charts/argocd-apps/Chart.yaml
+++ b/charts/argocd-apps/Chart.yaml
@@ -13,6 +13,9 @@ maintainers:
   - name: argoproj
     url: https://argoproj.github.io/
 annotations:
+  artifacthub.io/signKey: |
+    fingerprint: 2B8F22F57260EFA67BE1C5824B11F800CD9D2252
+    url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
     - kind: added
       description: allow setting applicationset finalizers