diff --git a/pom.xml b/pom.xml
index 1ef14f4..a7f1892 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,8 +59,8 @@
         <jedis-version>2.9.0</jedis-version>
         <jetty-version>9.4.7.v20170914</jetty-version>
         <json-simple-version>1.1.1</json-simple-version>
-        <logback-core-version>1.2.3</logback-core-version>
-        <logback-classic-version>1.2.3</logback-classic-version>
+        <logback-core-version>1.4.12</logback-core-version>
+        <logback-classic-version>1.4.12</logback-classic-version>
         <slf4j-api-version>1.7.25</slf4j-api-version>
     </properties>    
     
@@ -141,7 +141,7 @@
                         <format>html</format>
                         <format>xml</format>
                     </formats>
-                    <check></check>
+                    <check/>
                 </configuration>
             </plugin>
         </plugins>