diff --git a/micrometer-registry-ganglia/build.gradle b/micrometer-registry-ganglia/build.gradle
index 1019a92d9..43812a466 100644
--- a/micrometer-registry-ganglia/build.gradle
+++ b/micrometer-registry-ganglia/build.gradle
@@ -14,7 +14,7 @@ dependencies {
     testCompile "io.micronaut:micronaut-inject-groovy"
     annotationProcessor "io.micronaut:micronaut-inject-java"
     testRuntime "io.micronaut:micronaut-http-server-netty"
-    testRuntime "io.dropwizard.metrics:metrics-core:4.1.3"
+    testRuntime "io.dropwizard.metrics:metrics-core:4.1.5"
     testCompile "io.micronaut:micronaut-http-client"
 }