diff --git a/pom.xml b/pom.xml
index 9c1a301..06254bf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -72,7 +72,7 @@
         <portlet-api.version>1.0</portlet-api.version>
 
         <!-- Logging -->
-        <logback.version>1.2.3</logback.version>
+        <logback.version>1.2.13</logback.version>
 
         <!-- Spring Framework -->
         <spring.version>4.3.28.RELEASE</spring.version>