diff --git a/GoogleHashCode2017/pom.xml b/GoogleHashCode2017/pom.xml
index 2504c62..82b3d99 100644
--- a/GoogleHashCode2017/pom.xml
+++ b/GoogleHashCode2017/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.1.7</version>
+            <version>1.2.0</version>
         </dependency>
     </dependencies>