diff --git a/core/pom.xml b/core/pom.xml
index 22db81be..c824ca2e 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -32,7 +32,7 @@
       <solr.version>5.5.3</solr.version>
       <spring.version>4.1.4.RELEASE</spring.version>
       <spring_security.version>3.2.5.RELEASE</spring_security.version>
-      <log4j.version>2.6.2</log4j.version>
+      <log4j.version>2.15.0</log4j.version>
       <project.build.sourceEncoding>ISO-8859-1</project.build.sourceEncoding>
    </properties>