diff --git a/k8s/core/prom-stack/kustomization.yaml b/k8s/core/prom-stack/kustomization.yaml
index 0d6d35c..718a216 100644
--- a/k8s/core/prom-stack/kustomization.yaml
+++ b/k8s/core/prom-stack/kustomization.yaml
@@ -14,7 +14,7 @@ resources:
 helmCharts:
   - name: kube-prometheus-stack
     repo: https://prometheus-community.github.io/helm-charts
-    version: 84.3.0
+    version: 88.6.2
     releaseName: prometheus
     namespace: prometheus
     valuesFile: prom-values.yaml
@@ -22,7 +22,7 @@ helmCharts:
 
   - name: loki
     repo: https://grafana.github.io/helm-charts
-    version: 6.29.0
+    version: 18.11.7
     releaseName: loki
     namespace: prometheus
     valuesFile: loki-values.yaml
@@ -30,7 +30,7 @@ helmCharts:
 
   - name: promtail
     repo: https://grafana.github.io/helm-charts
-    version: 6.16.6
+    version: 6.17.1
     releaseName: promtail
     namespace: prometheus
     valuesFile: promtail-values.yaml