diff --git a/source/pom.xml b/source/pom.xml
index 97ffa5a..45f6892 100644
--- a/source/pom.xml
+++ b/source/pom.xml
@@ -54,7 +54,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.0</version>
+            <version>1.2.13</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>