diff --git a/jsonnet/kube-prometheus/addons/podsecuritypolicies.libsonnet b/jsonnet/kube-prometheus/addons/podsecuritypolicies.libsonnet
index aa03e30f32d344a888ace7fb74bbb690a5ec8f41..239793801d6b31a7527ea4dd62eb552d81f5e602 100644
--- a/jsonnet/kube-prometheus/addons/podsecuritypolicies.libsonnet
+++ b/jsonnet/kube-prometheus/addons/podsecuritypolicies.libsonnet
@@ -16,6 +16,7 @@ local restrictedPodSecurityPolicy = {
       'configMap',
       'emptyDir',
       'secret',
+      'projected',
       // Assume that persistentVolumes set up by the cluster admin are safe to use.
       'persistentVolumeClaim',
     ],