diff --git a/pom.xml b/pom.xml
index 75bd15f..45f2836 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <!-- Use the latest version whenever possible. -->
         <jackson.version>2.9.7</jackson.version>
-        <log4j.version>2.11.1</log4j.version>
+        <log4j.version>2.15.0</log4j.version>
     </properties>
 
     <dependencies>