diff --git a/samples/pom.xml b/samples/pom.xml
index 538254a2..5ce9d030 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -51,7 +51,7 @@
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
             <!--<version>1.2.11</version>-->
-            <version>1.4.11</version>
+            <version>1.4.12</version>
         </dependency>
     </dependencies>