diff --git a/codes/javatool/javatool-monitor/javatool-zipkin-spring/pom.xml b/codes/javatool/javatool-monitor/javatool-zipkin-spring/pom.xml
index 4225461a..b60c32cc 100644
--- a/codes/javatool/javatool-monitor/javatool-zipkin-spring/pom.xml
+++ b/codes/javatool/javatool-monitor/javatool-zipkin-spring/pom.xml
@@ -16,7 +16,7 @@
     <maven.compiler.target>1.7</maven.compiler.target>
 
     <spring.version>4.3.26.RELEASE</spring.version>
-    <log4j.version>2.13.0</log4j.version>
+    <log4j.version>2.17.0</log4j.version>
     <brave.version>5.10.1</brave.version>
   </properties>