diff --git a/build.gradle b/build.gradle
index b5c283c..956d49b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,6 +10,7 @@
 dependencies {
 	def joobyVer='2.9.5'
 	implementation group: 'io.jooby', name: 'jooby-netty', version: joobyVer
+	implementation group: 'ch.qos.logback', name: 'logback-classic', version: '1.2.3'
 }
 
 task createMissingSourceDirs {