diff --git a/pom.xml b/pom.xml
index ca248bb..404bb35 100644
--- a/pom.xml
+++ b/pom.xml
@@ -229,7 +229,7 @@
         <lang-tag.version>1.4.4</lang-tag.version>
         <libpam4j.version>1.11</libpam4j.version>
         <log4j.version>1.2.17</log4j.version>
-        <log4j2.version>2.13.1</log4j2.version>
+        <log4j2.version>2.13.3</log4j2.version>
         <maven-checkstyle-plugin.version>3.1.1</maven-checkstyle-plugin.version>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
         <maven-dependency-plugin.version>3.1.2</maven-dependency-plugin.version>