diff --git a/experiments/Rats!/java/input/antlr4/runtime-testsuite/pom.xml b/experiments/Rats!/java/input/antlr4/runtime-testsuite/pom.xml
index bfef2479..fc5bbdfe 100644
--- a/experiments/Rats!/java/input/antlr4/runtime-testsuite/pom.xml
+++ b/experiments/Rats!/java/input/antlr4/runtime-testsuite/pom.xml
@@ -35,7 +35,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>