diff --git a/java/hadoopdemo/mapreducedemo/pom.xml b/java/hadoopdemo/mapreducedemo/pom.xml
index f1ae707..62638a7 100644
--- a/java/hadoopdemo/mapreducedemo/pom.xml
+++ b/java/hadoopdemo/mapreducedemo/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.8.2</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
diff --git a/java/hadoopdemo/pom.xml b/java/hadoopdemo/pom.xml
index 5c15cb1..ef30a93 100644
--- a/java/hadoopdemo/pom.xml
+++ b/java/hadoopdemo/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.8.2</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>