diff --git a/orange-demo-activiti/orange-demo-activiti-service/pom.xml b/orange-demo-activiti/orange-demo-activiti-service/pom.xml
index 5d3af9f..4e49e70 100644
--- a/orange-demo-activiti/orange-demo-activiti-service/pom.xml
+++ b/orange-demo-activiti/orange-demo-activiti-service/pom.xml
@@ -91,7 +91,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.15.0</version>
+            <version>2.17.1</version>
             <exclusions>
                 <exclusion>
                     <artifactId>log4j-api</artifactId>