diff --git a/nifi-tdf-processors/pom.xml b/nifi-tdf-processors/pom.xml
index 709e2af..d701c46 100644
--- a/nifi-tdf-processors/pom.xml
+++ b/nifi-tdf-processors/pom.xml
@@ -80,7 +80,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.4.14</version>
+            <version>1.5.13</version>
             <scope>test</scope>
         </dependency>
         <dependency>