diff --git a/examples/testing-security-4/pom.xml b/examples/testing-security-4/pom.xml
index 9feea330b6c..fb5ba50c525 100644
--- a/examples/testing-security-4/pom.xml
+++ b/examples/testing-security-4/pom.xml
@@ -73,7 +73,7 @@
     <dependency>
       <groupId>org.openjdk.nashorn</groupId>
       <artifactId>nashorn-core</artifactId>
-      <version>15.5</version>
+      <version>15.4</version>
       <scope>test</scope>
     </dependency>
     <!--
diff --git a/pom.xml b/pom.xml
index b76d3f89cd3..add49f2d34c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -147,7 +147,7 @@
     <version.osgi.framework>4.2.0</version.osgi.framework>
     <version.aether>1.13.1</version.aether>
     <version.xalan>2.7.3</version.xalan>
-    <version.nashorn>15.5</version.nashorn>
+    <version.nashorn>15.4</version.nashorn>
 
     <!-- Logging frameworks -->
     <version.slf4j>2.0.16</version.slf4j>