diff --git a/pepper-lib/pom.xml b/pepper-lib/pom.xml
index 75b58fe77..8025bec17 100644
--- a/pepper-lib/pom.xml
+++ b/pepper-lib/pom.xml
@@ -37,7 +37,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-core</artifactId>
-			<version>1.3.14</version>
+			<version>1.5.13</version>
 		</dependency>
 		<dependency>
 			<groupId>commons-io</groupId>