diff --git a/extensions-contrib/statsd-emitter/src/main/resources/defaultMetricDimensions.json b/extensions-contrib/statsd-emitter/src/main/resources/defaultMetricDimensions.json
index c120587f4439..a7bdfbf3e585 100644
--- a/extensions-contrib/statsd-emitter/src/main/resources/defaultMetricDimensions.json
+++ b/extensions-contrib/statsd-emitter/src/main/resources/defaultMetricDimensions.json
@@ -175,5 +175,5 @@
   "namespace/cache/numEntries" : { "dimensions" : [], "type" : "gauge" },
   "namespace/cache/heapSizeInBytes" : { "dimensions" : [], "type" : "gauge" },
 
-  "service/heartbeat" : { "dimensions" : [], "type" : "gauge" }
+  "service/heartbeat" : { "dimensions" : ["leader"], "type" : "gauge" }
 }