diff --git a/kubernetes/helm_charts/monitoring/blackbox-exporter/values.yaml b/kubernetes/helm_charts/monitoring/blackbox-exporter/values.yaml
index 6ff39c8656e4999720244f2e05820e35f46b73cf..67ca6e36c1f9b961c7d3a68b4436b7fb17dc1e9b 100755
--- a/kubernetes/helm_charts/monitoring/blackbox-exporter/values.yaml
+++ b/kubernetes/helm_charts/monitoring/blackbox-exporter/values.yaml
@@ -1,7 +1,7 @@
 restartPolicy: Always
 
 podDisruptionBudget:
-  maxUnavailable: 0
+  maxUnavailable: 1
 
 strategy:
   rollingUpdate:
@@ -106,7 +106,7 @@ serviceMonitor:
   ## If true, a ServiceMonitor CRD is created for a prometheus operator
   ## https://github.com/coreos/prometheus-operator
   ##
-  enabled: false 
+  enabled: false
   labels: { release: sunbird-monitoring }
   interval: 30s
   scrapeTimeout: 30s