diff --git a/honeybadger-log4j-appender/pom.xml b/honeybadger-log4j-appender/pom.xml
index f1dff71..69e3368 100644
--- a/honeybadger-log4j-appender/pom.xml
+++ b/honeybadger-log4j-appender/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
         </dependency>
     </dependencies>