diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index d332dfe..09f0054
--- a/pom.xml
+++ b/pom.xml
@@ -173,7 +173,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>2.8.2</version>
+      <version>2.15.0</version>
     </dependency>
 
     <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-web -->