diff --git a/manifests/minio-bitnami/values.yaml b/manifests/minio-bitnami/values.yaml
index a401d1a..7caaafa 100644
--- a/manifests/minio-bitnami/values.yaml
+++ b/manifests/minio-bitnami/values.yaml
@@ -55,4 +55,6 @@ extraEnvVars:
     value: openid,email,profile
   - name: MINIO_IDENTITY_OPENID_DISPLAY_NAME
     value: MinIO-OIDC
+  - name: MINIO_IDENTITY_OPENID_ROLE_POLICY
+    value: "minio-readonly"