diff --git a/charts/kube-prometheus-stack/Chart.yaml b/charts/kube-prometheus-stack/Chart.yaml
index 27426304a843..d089c2a6ad60 100644
--- a/charts/kube-prometheus-stack/Chart.yaml
+++ b/charts/kube-prometheus-stack/Chart.yaml
@@ -21,7 +21,7 @@ name: kube-prometheus-stack
 sources:
   - https://github.com/prometheus-community/helm-charts
   - https://github.com/prometheus-operator/kube-prometheus
-version: 55.4.0
+version: 55.4.1
 appVersion: v0.70.0
 kubeVersion: ">=1.19.0-0"
 home: https://github.com/prometheus-operator/kube-prometheus
diff --git a/charts/kube-prometheus-stack/values.yaml b/charts/kube-prometheus-stack/values.yaml
index 8cb9f3d71440..26524fbe6e21 100644
--- a/charts/kube-prometheus-stack/values.yaml
+++ b/charts/kube-prometheus-stack/values.yaml
@@ -310,6 +310,8 @@ alertmanager:
           - 'severity = info'
         equal:
           - 'namespace'
+      - target_matchers:
+          - 'alertname = InfoInhibitor'
     route:
       group_by: ['namespace']
       group_wait: 30s
@@ -319,7 +321,7 @@ alertmanager:
       routes:
       - receiver: 'null'
         matchers:
-          - alertname =~ "InfoInhibitor|Watchdog"
+          - alertname = "Watchdog"
     receivers:
     - name: 'null'
     templates: