diff --git a/pom.xml b/pom.xml
index 6433b83..8af1993 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <junit-5.version>5.4.0</junit-5.version>
-        <log4j.version>2.11.1</log4j.version>
+        <log4j.version>2.15.0</log4j.version>
         <flink.version>1.8.0</flink.version>
         <elasticsearch.version>7.0.0</elasticsearch.version>
     </properties>