diff --git a/pom.xml b/pom.xml
index 29c0414db..a8fa759ad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -185,7 +185,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.18</version>
+            <version>1.5.21</version>
         </dependency>
 
         <!-- Lombok -->