diff --git a/subclass-sandbox/pom.xml b/subclass-sandbox/pom.xml
index cc098373a112..9d21c7400f09 100644
--- a/subclass-sandbox/pom.xml
+++ b/subclass-sandbox/pom.xml
@@ -35,7 +35,7 @@
   <artifactId>subclass-sandbox</artifactId>
   <properties>
     <slf4j.version>2.0.17</slf4j.version>
-    <logback.version>1.5.6</logback.version>
+    <logback.version>1.5.18</logback.version>
   </properties>
   <dependencies>
     <dependency>