diff --git a/linux/k3s/prometheus/defaults/main.yml b/linux/k3s/prometheus/defaults/main.yml
index 858443a..7553722 100644
--- a/linux/k3s/prometheus/defaults/main.yml
+++ b/linux/k3s/prometheus/defaults/main.yml
@@ -8,3 +8,4 @@ k3s_prometheus:
 k3s_prometheus_alertmanager:
     ingress_enabled: false
     fqdn: alertmanager.example.com
+k3s_prometheus_chart_version: 42.0.3
diff --git a/linux/k3s/prometheus/tasks/main.yml b/linux/k3s/prometheus/tasks/main.yml
index bcd5c9a..9318b6b 100644
--- a/linux/k3s/prometheus/tasks/main.yml
+++ b/linux/k3s/prometheus/tasks/main.yml
@@ -7,6 +7,7 @@
   kubernetes.core.helm:
     name: prometheus-stack
     chart_ref: prometheus-community/kube-prometheus-stack
+    chart_version: "{{ k3s_prometheus_chart_version }}"
     release_namespace: monitoring
     create_namespace: yes
     values: