diff --git a/pom.xml b/pom.xml
index 719ff80..02eaa62 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
         <java-version>1.8</java-version>
         <org.aspectj-version>1.6.10</org.aspectj-version>
         <org.slf4j-version>1.6.6</org.slf4j-version>
-        <log4j.version>2.6.2</log4j.version>
+        <log4j.version>2.16.0</log4j.version>
         <web3j.version>4.2.0</web3j.version>
         <jackson.version>2.10.0.pr3</jackson.version>
     </properties>