diff --git a/structure-learn/disruptor-learn/pom.xml b/structure-learn/disruptor-learn/pom.xml
index 2bbda84..676e62a 100644
--- a/structure-learn/disruptor-learn/pom.xml
+++ b/structure-learn/disruptor-learn/pom.xml
@@ -17,7 +17,7 @@
         <junit.version>4.12</junit.version>
         <mockito.version>2.19.1</mockito.version>
         <slf4j.version>1.7.25</slf4j.version>
-        <lo4j2.version>2.11.0</lo4j2.version>
+        <lo4j2.version>2.16.0</lo4j2.version>
         <disruptor.version>3.4.2</disruptor.version>
     </properties>