diff --git a/vert.x/lab3/pom.xml b/vert.x/lab3/pom.xml
old mode 100755
new mode 100644
index 08f2439..446660c
--- a/vert.x/lab3/pom.xml
+++ b/vert.x/lab3/pom.xml
@@ -84,7 +84,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>2.11.1</version>
+      <version>2.16.0</version>
     </dependency>
 
   </dependencies>