diff --git a/commontools/security/pom.xml b/commontools/security/pom.xml
index 397a05ae..9e91668a 100644
--- a/commontools/security/pom.xml
+++ b/commontools/security/pom.xml
@@ -32,7 +32,7 @@
       <dependency>
           <groupId>junit</groupId>
           <artifactId>junit</artifactId>
-          <version>4.11</version>
+          <version>4.13.1</version>
           <scope>compile</scope> <!--  Unit test is in main package -->
       </dependency>
        <dependency>