diff --git a/jsonnet/prometheus/prometheus-k8s-rules.libsonnet b/jsonnet/prometheus/prometheus-k8s-rules.libsonnet
index abe98fa943dd632ff6fbda18a2ea7dd7af3f0183..d20145694b4cc86856beee3ee435594aa0bfea88 100644
--- a/jsonnet/prometheus/prometheus-k8s-rules.libsonnet
+++ b/jsonnet/prometheus/prometheus-k8s-rules.libsonnet
@@ -4,5 +4,6 @@ local configMap = k.core.v1.configMap;
 {
     new(namespace, ruleFiles)::
         configMap.new("prometheus-k8s-rules", ruleFiles) +
+          configMap.mixin.metadata.withLabels({role: "alert-rules", prometheus: "k8s"}) +
           configMap.mixin.metadata.withNamespace(namespace)
 }