diff --git a/helm/dev/cortex-prometheus-operator/Chart.yaml b/helm/dev/cortex-prometheus-operator/Chart.yaml
index 052709e8a..f3019827d 100644
--- a/helm/dev/cortex-prometheus-operator/Chart.yaml
+++ b/helm/dev/cortex-prometheus-operator/Chart.yaml
@@ -10,4 +10,4 @@ dependencies:
   # CRDs of the prometheus operator, such as PrometheusRule, ServiceMonitor, etc.
   - name: kube-prometheus-stack
     repository: oci://ghcr.io/prometheus-community/charts
-    version: 81.3.1
+    version: 81.5.0
diff --git a/helm/library/cortex-postgres/values.yaml b/helm/library/cortex-postgres/values.yaml
index 14c95fb4b..4bd683dbd 100644
--- a/helm/library/cortex-postgres/values.yaml
+++ b/helm/library/cortex-postgres/values.yaml
@@ -24,7 +24,7 @@ prometheus:
 exporter:
   image:
     repository: prometheuscommunity/postgres-exporter
-    tag: "v0.18.1"
+    tag: "v0.19.0"
     pullPolicy: IfNotPresent
 
   resources: