diff --git a/build.gradle b/build.gradle
index ed595f1..f7d6316 100644
--- a/build.gradle
+++ b/build.gradle
@@ -69,10 +69,10 @@ dependencies {
         implementation('org.jsoup:jsoup:1.23.2') {
             because 'Fix GHSA-pmhh-3w7g-xqp8 in Lavaplayer transitive dependencies'
         }
-        implementation('org.mozilla:rhino:1.7.15.1') {
+        implementation('org.mozilla:rhino:1.9.1') {
             because 'Fix GHSA-3w8q-xq97-5j7x without changing the Rhino release line'
         }
-        implementation('org.mozilla:rhino-engine:1.7.15.1') {
+        implementation('org.mozilla:rhino-engine:1.9.1') {
             because 'Keep the YouTube/Lavaplayer script engine aligned with patched Rhino'
         }
     }