diff --git a/installations/monitoring/helmfile.yaml b/installations/monitoring/helmfile.yaml
index b2fba8e..4917a51 100644
--- a/installations/monitoring/helmfile.yaml
+++ b/installations/monitoring/helmfile.yaml
@@ -12,7 +12,7 @@ releases:
   - name: prometheus
     chart: prometheus-community/kube-prometheus-stack
     namespace: observability
-    version: 65.8.1
+    version: 66.1.0
     inherit:
       - template: default-env-values
       - template: default-env-secrets