diff --git a/manifests/opensearch/cluster.yaml b/manifests/opensearch/cluster.yaml
index d568dbc..bfd0b52 100644
--- a/manifests/opensearch/cluster.yaml
+++ b/manifests/opensearch/cluster.yaml
@@ -8,7 +8,10 @@ spec:
     version: "3.7.0"
     serviceName: shared-os
     setVMMaxMapCount: true
-  security: null
+  security:
+    config:
+      adminCredentialsSecret:
+        name: shared-os-admin-credentials
   nodePools:
     - component: nodes
       replicas: 1
diff --git a/manifests/opensearch/secrets.yaml b/manifests/opensearch/secrets.yaml
new file mode 100644
index 0000000..5ecffc5
--- /dev/null
+++ b/manifests/opensearch/secrets.yaml
@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: shared-os-admin-credentials
+  namespace: opensearch
+type: Opaque
+stringData:
+  username: admin
+  password: "OiYj2^J1@1HuHSOk"