diff --git a/_build/parent/pom.xml b/_build/parent/pom.xml
index 8af0efc..b0493f0 100644
--- a/_build/parent/pom.xml
+++ b/_build/parent/pom.xml
@@ -21,7 +21,7 @@
     <slf4j.version>2.0.17</slf4j.version>
 
     <!-- TEST -->
-    <logback.version>1.5.20</logback.version>
+    <logback.version>1.5.21</logback.version>
   </properties>
 
   <dependencyManagement>