diff --git a/CoinBill/pom.xml b/CoinBill/pom.xml
index 9d6bdf5..d1eca52 100644
--- a/CoinBill/pom.xml
+++ b/CoinBill/pom.xml
@@ -21,7 +21,7 @@
         <rabbitmq-version>4.8.0</rabbitmq-version>
         <slf4j-version>1.7.12</slf4j-version>
         <drools-version>6.5.0.Final</drools-version>
-        <log4j-version>2.6.2</log4j-version>
+        <log4j-version>2.17.1</log4j-version>
     </properties>
 
     <prerequisites>