diff --git a/reference/antlr4/antlr4-testgen-maven-plugin/pom.xml b/reference/antlr4/antlr4-testgen-maven-plugin/pom.xml
index d3daf6e1..95164a0e 100644
--- a/reference/antlr4/antlr4-testgen-maven-plugin/pom.xml
+++ b/reference/antlr4/antlr4-testgen-maven-plugin/pom.xml
@@ -84,7 +84,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>