diff --git a/.gradle/2.2.1/taskArtifacts/cache.properties b/.gradle/2.2.1/taskArtifacts/cache.properties
deleted file mode 100644
index f110f4b..0000000
--- a/.gradle/2.2.1/taskArtifacts/cache.properties
+++ /dev/null
@@ -1 +0,0 @@
-#Tue May 26 17:53:04 CEST 2015
diff --git a/.gradle/2.2.1/taskArtifacts/cache.properties.lock b/.gradle/2.2.1/taskArtifacts/cache.properties.lock
deleted file mode 100644
index 0fedbf5..0000000
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diff --git a/.gradle/2.2.1/taskArtifacts/fileHashes.bin b/.gradle/2.2.1/taskArtifacts/fileHashes.bin
deleted file mode 100644
index 0620824..0000000
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diff --git a/.gradle/2.2.1/taskArtifacts/fileSnapshots.bin b/.gradle/2.2.1/taskArtifacts/fileSnapshots.bin
deleted file mode 100644
index b70c9f0..0000000
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diff --git a/.gradle/2.2.1/taskArtifacts/outputFileStates.bin b/.gradle/2.2.1/taskArtifacts/outputFileStates.bin
deleted file mode 100644
index 099f5e5..0000000
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diff --git a/.gradle/2.2.1/taskArtifacts/taskArtifacts.bin b/.gradle/2.2.1/taskArtifacts/taskArtifacts.bin
deleted file mode 100644
index e2ad8cc..0000000
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diff --git a/.gradle/2.3/taskArtifacts/cache.properties b/.gradle/2.3/taskArtifacts/cache.properties
deleted file mode 100644
index 1b70971..0000000
--- a/.gradle/2.3/taskArtifacts/cache.properties
+++ /dev/null
@@ -1 +0,0 @@
-#Wed May 27 09:37:38 CEST 2015
diff --git a/.gradle/2.3/taskArtifacts/cache.properties.lock b/.gradle/2.3/taskArtifacts/cache.properties.lock
deleted file mode 100644
index 8ae5af2..0000000
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diff --git a/.gradle/2.3/taskArtifacts/fileHashes.bin b/.gradle/2.3/taskArtifacts/fileHashes.bin
deleted file mode 100644
index fdd90f6..0000000
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diff --git a/.gradle/2.3/taskArtifacts/fileSnapshots.bin b/.gradle/2.3/taskArtifacts/fileSnapshots.bin
deleted file mode 100644
index 4bf7ffa..0000000
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diff --git a/.gradle/2.3/taskArtifacts/outputFileStates.bin b/.gradle/2.3/taskArtifacts/outputFileStates.bin
deleted file mode 100644
index 811e3aa..0000000
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diff --git a/.gradle/2.3/taskArtifacts/taskArtifacts.bin b/.gradle/2.3/taskArtifacts/taskArtifacts.bin
deleted file mode 100644
index 9bc00d4..0000000
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diff --git a/build.gradle b/build.gradle
index d59eda8..b164126 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ buildscript {
    dependencies { classpath(libraries.spring_boot_gradle_plugin) }
    repositories { jcenter() }
 }
-apply plugin: 'spring-boot'
+apply plugin: 'org.springframework.boot'
 
 repositories { jcenter() }
 
@@ -39,6 +39,10 @@ dependencies {
    testCompile libraries.spring_boot_starter_test
    testCompile libraries.jsonassert
    testCompile libraries.jsonpath
+   testCompile libraries.dropwizard_metrics_core
+   testCompile(libraries.cassandra_unit_spring)  {
+      exclude group: 'com.codahale.metrics', module: 'metrics-core'
+   }
 }
 
 uploadArchives {