diff --git a/external/storm-metrics-prometheus/pom.xml b/external/storm-metrics-prometheus/pom.xml
index 2bb01f0ecb4..41e7feb9e12 100644
--- a/external/storm-metrics-prometheus/pom.xml
+++ b/external/storm-metrics-prometheus/pom.xml
@@ -30,7 +30,7 @@
     <name>storm-metrics-prometheus</name>
 
     <properties>
-        <prometheus.client.version>1.4.2</prometheus.client.version>
+        <prometheus.client.version>1.4.3</prometheus.client.version>
     </properties>
 
     <dependencies>