diff --git a/jsonnet/kube-prometheus/components/node-exporter.libsonnet b/jsonnet/kube-prometheus/components/node-exporter.libsonnet
index d59d22e701..1452174aa6 100644
--- a/jsonnet/kube-prometheus/components/node-exporter.libsonnet
+++ b/jsonnet/kube-prometheus/components/node-exporter.libsonnet
@@ -28,6 +28,12 @@ local defaults = {
     ruleLabels: {},
     _config: {
       nodeExporterSelector: 'job="' + defaults.name + '"',
+      // Adjust NodeFilesystemSpaceFillingUp warning and critical thresholds according to the following default kubelet
+      // GC values,
+      // imageGCLowThresholdPercent: 80
+      // imageGCHighThresholdPercent: 85
+      // See https://kubernetes.io/docs/reference/config-api/kubelet-config.v1beta1/ for more details.
+      fsSpaceFillingUpWarningThreshold: 20,
       fsSpaceFillingUpCriticalThreshold: 15,
       diskDeviceSelector: 'device=~"mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|dasd.+"',
       runbookURLPattern: 'https://runbooks.prometheus-operator.dev/runbooks/node/%s',
diff --git a/manifests/node-exporter-prometheusRule.yaml b/manifests/node-exporter-prometheusRule.yaml
index e24216fafa..7f36e602cb 100644
--- a/manifests/node-exporter-prometheusRule.yaml
+++ b/manifests/node-exporter-prometheusRule.yaml
@@ -21,7 +21,7 @@ spec:
         summary: Filesystem is predicted to run out of space within the next 24 hours.
       expr: |
         (
-          node_filesystem_avail_bytes{job="node-exporter",fstype!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!=""} * 100 < 40
+          node_filesystem_avail_bytes{job="node-exporter",fstype!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!=""} * 100 < 20
         and
           predict_linear(node_filesystem_avail_bytes{job="node-exporter",fstype!=""}[6h], 24*60*60) < 0
         and