diff --git a/manifests/nodeExporter-prometheusRule.yaml b/manifests/nodeExporter-prometheusRule.yaml
index f9b90b8eaab2efdba0ff443b2ccb88de85628716..e4e25bbab02c4ac81759f75b924b2f3a067f96f4 100644
--- a/manifests/nodeExporter-prometheusRule.yaml
+++ b/manifests/nodeExporter-prometheusRule.yaml
@@ -23,7 +23,7 @@ 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 < 20
+          node_filesystem_avail_bytes{job="node-exporter",fstype!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!=""} * 100 < 15
         and
           predict_linear(node_filesystem_avail_bytes{job="node-exporter",fstype!=""}[6h], 24*60*60) < 0
         and
@@ -41,7 +41,7 @@ spec:
         summary: Filesystem is predicted to run out of space within the next 4 hours.
       expr: |
         (
-          node_filesystem_avail_bytes{job="node-exporter",fstype!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!=""} * 100 < 15
+          node_filesystem_avail_bytes{job="node-exporter",fstype!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!=""} * 100 < 10
         and
           predict_linear(node_filesystem_avail_bytes{job="node-exporter",fstype!=""}[6h], 4*60*60) < 0
         and