diff --git a/prometheus-operator/node-exporter.yml b/prometheus-operator/node-exporter.yml
index 35ddf5d..1442b67 100644
--- a/prometheus-operator/node-exporter.yml
+++ b/prometheus-operator/node-exporter.yml
@@ -431,6 +431,7 @@ spec:
             readOnlyRootFilesystem: true
       hostNetwork: true
       hostPID: true
+      priorityClassName: system-node-critical
       securityContext:
         runAsNonRoot: true
         runAsUser: 65534