diff --git a/manifests/_apps/11-year-anniversary.yaml b/manifests/_apps/11-year-anniversary.yaml
index d70a2a6..fac9533 100644
--- a/manifests/_apps/11-year-anniversary.yaml
+++ b/manifests/_apps/11-year-anniversary.yaml
@@ -18,3 +18,8 @@ spec:
   #   automated: {}
     syncOptions:
       - CreateNamespace=true
+  ignoreDifferences:
+  - group: core
+    kind: Secret
+    jsonPointers:
+    - /data