diff --git a/Rce_Echo/TomcatEcho/pom.xml b/Rce_Echo/TomcatEcho/pom.xml
index 8f41d87..90ac194 100644
--- a/Rce_Echo/TomcatEcho/pom.xml
+++ b/Rce_Echo/TomcatEcho/pom.xml
@@ -72,7 +72,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.12.1</version>
+            <version>2.17.1</version>
         </dependency>