diff --git a/tautomers-example/pom.xml b/tautomers-example/pom.xml
index add4249..3fd5784 100644
--- a/tautomers-example/pom.xml
+++ b/tautomers-example/pom.xml
@@ -59,7 +59,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <type>jar</type>
       <scope>test</scope>
     </dependency>