diff --git a/pom.xml b/pom.xml
index 8e0f7dc..8d12bdc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
         <!-- required dependency versions -->
         <curator.version>5.6.0</curator.version>
         <logback-classic.version>1.5.6</logback-classic.version>
-        <logback-core.version>1.5.5</logback-core.version>
+        <logback-core.version>1.5.6</logback-core.version>
         <slf4j.verison>2.0.13</slf4j.verison>
         <zk.version>3.9.2</zk.version>