diff --git a/pom.xml b/pom.xml
index 2ee8587..6009c26 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.4</version>
+      <version>4.13.1</version>
     </dependency>
     <dependency>
         <groupId>org.apache.lucene</groupId>