diff --git a/SameOccurrence/pom.xml b/SameOccurrence/pom.xml
index 5bd412c..e4bb2e2 100644
--- a/SameOccurrence/pom.xml
+++ b/SameOccurrence/pom.xml
@@ -79,7 +79,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.13.2</version>
+            <version>2.17.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>