diff --git a/chart/templates/prometheusrules.yaml b/chart/templates/prometheusrules.yaml
index bf43550..dfa2e91 100644
--- a/chart/templates/prometheusrules.yaml
+++ b/chart/templates/prometheusrules.yaml
@@ -34,7 +34,7 @@ spec:
                       == 0)
           for: 1m
           labels:
-            severity: warning
+            {{- $.Values.prometheus.rules.labels | toYaml | nindent 12 }}
 
         - alert: ContainerEphemeralStorageUsageReachingLimit
           annotations:
@@ -65,7 +65,7 @@ spec:
                       == 0)
           for: 15m
           labels:
-            severity: warning
+            {{- $.Values.prometheus.rules.labels | toYaml | nindent 12 }}
 
         - alert: EphemeralStorageVolumeFilledUp
           annotations:
@@ -88,7 +88,7 @@ spec:
                       == 0)
           for: 1m
           labels:
-            severity: warning
+            {{- $.Values.prometheus.rules.labels | toYaml | nindent 12 }}
 
         - alert: EphemeralStorageVolumeFillingUp
           annotations:
@@ -118,7 +118,7 @@ spec:
                       == 0)
           for: 15m
           labels:
-            severity: warning
+            {{- $.Values.prometheus.rules.labels | toYaml | nindent 12 }}
 {{- end }}
 {{- end }}
 {{- end }}
diff --git a/chart/values.yaml b/chart/values.yaml
index 9e2d5a0..c9e723a 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -59,6 +59,9 @@ prometheus:
     enable: false
     # -- How many hours in the future to predict filling up of a volume
     predictFilledHours: 12
+    # -- What additional labels to set on alerts
+    labels:
+      severity: warning
 
 # -- Enable Pprof
 pprof: false