diff --git a/log4j-api-to-slf4j/pom.xml b/log4j-api-to-slf4j/pom.xml
index 62637cb..cc0e39e 100644
--- a/log4j-api-to-slf4j/pom.xml
+++ b/log4j-api-to-slf4j/pom.xml
@@ -33,7 +33,7 @@
 
   <properties>
     <!-- Dependency versions -->
-    <logback.version>1.5.13</logback.version>
+    <logback.version>1.5.18</logback.version>
     <osgi.framework.version>1.8.0</osgi.framework.version>
 
     <!--