diff --git a/elasticsearch5/pom.xml b/elasticsearch5/pom.xml
index a948b65..8222ebd 100644
--- a/elasticsearch5/pom.xml
+++ b/elasticsearch5/pom.xml
@@ -165,7 +165,7 @@ LICENSE file.
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
-      <version>2.8.2</version>
+      <version>2.15.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>