PHOENIX-6760 update log4j2 to 2.18.0
diff --git a/pom.xml b/pom.xml
index ac0dbf2..f4727c1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -97,7 +97,7 @@
     <antlr.version>3.5.2</antlr.version>
     <!-- Only used for tests with HBase 2.1-2.4 -->
     <reload4j.version>1.2.19</reload4j.version>
-    <log4j2.version>2.17.2</log4j2.version>
+    <log4j2.version>2.18.0</log4j2.version>
     <disruptor.version>3.3.6</disruptor.version>
     <slf4j.version>1.7.36</slf4j.version>
     <!-- com.google repo will be used except on Aarch64 platform. -->