diff --git a/code/market_listener/pom.xml b/code/market_listener/pom.xml
index b0c88c5..251a29e 100644
--- a/code/market_listener/pom.xml
+++ b/code/market_listener/pom.xml
@@ -24,7 +24,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>2.10.0</version>
+      <version>2.15.0</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api -->
     <dependency>