diff --git a/package.json b/package.json
index 4c480bb0..1ca25934 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "s3utils",
-  "version": "1.14.12",
+  "version": "1.14.13",
   "engines": {
     "node": ">= 16"
   },
diff --git a/utils/monitoring.js b/utils/monitoring.js
index fa33098d..d982d977 100644
--- a/utils/monitoring.js
+++ b/utils/monitoring.js
@@ -1,22 +1,23 @@
 const { errors } = require('arsenal');
 const promClient = require('prom-client');
 const { http } = require('httpagent');
+const cluster = require('cluster');
 
 const aggregatorRegistry = new promClient.AggregatorRegistry();
 const { collectDefaultMetrics } = promClient;
 
 // Histogram of the bucket processing duration, by the utilization service.
-const bucketProcessingDuration = new promClient.Histogram({
+const bucketProcessingDuration = cluster.isMaster ? new promClient.Histogram({
     name: 's3_countitems_bucket_listing_duration_seconds',
     help: 'Bucket processing duration',
     buckets: [1, 10, 60, 600, 3600, 18000, 36000],
-});
+}) : null;
 
-const consolidationDuration = new promClient.Histogram({
+const consolidationDuration = cluster.isMaster ? new promClient.Histogram({
     name: 's3_countitems_bucket_merge_duration_seconds',
     help: 'Duration of metrics consolidation in seconds',
     buckets: [0.01, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10],
-});
+}) : null;
 
 const bucketsCount = new promClient.Counter({
     name: 's3_countitems_total_buckets_count',