diff --git a/pom.xml b/pom.xml
index 5739a5ba..e08e29e2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,7 @@
         <skipITs>true</skipITs>
         <junixsocket.version>2.8.1</junixsocket.version>
         <jna.version>5.13.0</jna.version>
-        <log4j.version>2.20.0</log4j.version>
+        <log4j.version>2.21.1</log4j.version>
         <errorprone.version>2.23.0</errorprone.version>
         <surefire.version>3.1.2</surefire.version>
     </properties>