diff --git a/pom.xml b/pom.xml
index 0c3ab76e..dc86e436 100644
--- a/pom.xml
+++ b/pom.xml
@@ -120,7 +120,7 @@
     <dependency>
       <groupId>org.openjdk.nashorn</groupId>
       <artifactId>nashorn-core</artifactId>
-      <version>15.4</version>
+      <version>15.6</version>
       <scope>test</scope>
     </dependency>
   </dependencies>