diff --git a/pom.xml b/pom.xml
index 5c04b29..1ad8eb4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
         <javaslang.version>2.1.0-alpha</javaslang.version>
         <libraries-support.version>1.0</libraries-support.version>
         <junit.version>4.12</junit.version>
-        <log4j.version>2.3</log4j.version>
+        <log4j.version>2.13.3</log4j.version>
     </properties>
 
     <dependencies>