diff --git a/reference/antlr4/antlr4-maven-plugin/pom.xml b/reference/antlr4/antlr4-maven-plugin/pom.xml
index b72adf23..5fde8575 100644
--- a/reference/antlr4/antlr4-maven-plugin/pom.xml
+++ b/reference/antlr4/antlr4-maven-plugin/pom.xml
@@ -82,7 +82,7 @@
 
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
 
         </dependency>