diff --git a/pom.xml b/pom.xml
index 4643a1ea..52cd6315 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,7 +70,7 @@
     <version.surefire.plugin>3.5.4</version.surefire.plugin>
 
     <!-- Dependency versions -->
-    <version.ch.qos.logback>1.5.20</version.ch.qos.logback>
+    <version.ch.qos.logback>1.5.21</version.ch.qos.logback>
     <version.com.fasterxml.jackson>2.20.1</version.com.fasterxml.jackson>
     <version.com.networknt>1.5.9</version.com.networknt>
     <version.commons.lang>3.19.0</version.commons.lang>