diff --git a/_1/pom.xml b/_1/pom.xml
index e02f679..de4765f 100644
--- a/_1/pom.xml
+++ b/_1/pom.xml
@@ -110,7 +110,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.13.2</version>
+            <version>2.16.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>