diff --git a/antlr-3.4/tool/pom.xml b/antlr-3.4/tool/pom.xml
index 60c3871..6fdf4e2 100644
--- a/antlr-3.4/tool/pom.xml
+++ b/antlr-3.4/tool/pom.xml
@@ -53,7 +53,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.8.2</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>