diff --git a/pom.xml b/pom.xml
index 1aacd272b04..479f929e1c6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -538,7 +538,7 @@
 
     <!-- dependency versions -->
     <slf4j.version>2.0.13</slf4j.version>
-    <logback-version>1.3.15</logback-version>
+    <logback-version>1.5.34</logback-version>
     <audience-annotations.version>0.12.0</audience-annotations.version>
     <jmockit.version>1.48</jmockit.version>
     <junit.version>5.6.2</junit.version>
diff --git a/zookeeper-server/src/main/resources/lib/logback-classic-1.3.15.LICENSE.txt b/zookeeper-server/src/main/resources/lib/logback-classic-1.5.34.LICENSE.txt
similarity index 100%
rename from zookeeper-server/src/main/resources/lib/logback-classic-1.3.15.LICENSE.txt
rename to zookeeper-server/src/main/resources/lib/logback-classic-1.5.34.LICENSE.txt
diff --git a/zookeeper-server/src/main/resources/lib/logback-core-1.3.15.LICENSE.txt b/zookeeper-server/src/main/resources/lib/logback-core-1.5.34.LICENSE.txt
similarity index 100%
rename from zookeeper-server/src/main/resources/lib/logback-core-1.3.15.LICENSE.txt
rename to zookeeper-server/src/main/resources/lib/logback-core-1.5.34.LICENSE.txt