diff --git a/jail/cocoon3/pom.xml b/jail/cocoon3/pom.xml
index 7094a3c7e95..679a4eab787 100644
--- a/jail/cocoon3/pom.xml
+++ b/jail/cocoon3/pom.xml
@@ -151,7 +151,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-core</artifactId>
-      <version>1.0.9</version>
+      <version>1.5.19</version>
     </dependency>
     <dependency>
       <groupId>ch.qos.logback</groupId>