diff --git a/base/monitoring/prometheus-values.yaml b/base/monitoring/prometheus-values.yaml
index ddf2623..c583e37 100644
--- a/base/monitoring/prometheus-values.yaml
+++ b/base/monitoring/prometheus-values.yaml
@@ -141,6 +141,9 @@ alertmanager:
             - alertname = Watchdog
           receiver: matrix
           repeat_interval: 12h
+        - matchers:
+            - alertname = InfoInhibitor
+          receiver: "null"
         - matchers:
             - severity = critical
           receiver: matrix
@@ -148,11 +151,12 @@ alertmanager:
             - severity = warning
           receiver: matrix
     receivers:
+      - name: "null"
       - name: matrix
         webhook_configs:
           - url: "http://matrix-alertmanager-receiver.monitoring.svc.cluster.local:3000/alerts/alerts"
             send_resolved: true
-    inhibitRules:
+    inhibit_rules:
       # Critical alerts suppress warnings for the same alertname+namespace
       - source_matchers:
           - severity = critical