diff --git a/pom.xml b/pom.xml
index 8bb0c9c..9bcfbfa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -104,8 +104,8 @@
 
 		<!-- dependencies -->
 
-		<version.ch.qos.logback>1.2.10</version.ch.qos.logback>
-		<version.ch.qos.logback.contrib>0.1.5</version.ch.qos.logback.contrib>
+		<version.ch.qos.logback>1.2.9</version.ch.qos.logback>
+		<version.ch.qos.logback.contrib>0.1.4</version.ch.qos.logback.contrib>
 		<version.io.micronaut>3.2.6</version.io.micronaut>
 
 	</properties>