diff --git a/external/storm-metrics-prometheus/pom.xml b/external/storm-metrics-prometheus/pom.xml
index 4d7567541ed..0236b6e8b7e 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>1.5.1</prometheus.client.version>
+        <prometheus.client.version>1.6.1</prometheus.client.version>
     </properties>
 
     <dependencies>