diff --git a/metrics-reporter-prometheus/pom.xml b/metrics-reporter-prometheus/pom.xml
index ccfc1eb..3ded7fd 100644
--- a/metrics-reporter-prometheus/pom.xml
+++ b/metrics-reporter-prometheus/pom.xml
@@ -18,7 +18,7 @@
     <description>Plugin for reporting internal Graylog metrics to Prometheus.</description>
 
     <properties>
-        <simpleclient.version>0.3.0</simpleclient.version>
+        <simpleclient.version>0.9.0</simpleclient.version>
     </properties>
 
     <dependencies>