diff --git a/Plan/build.gradle b/Plan/build.gradle
index 533529a3c..49e021af3 100644
--- a/Plan/build.gradle
+++ b/Plan/build.gradle
@@ -87,7 +87,7 @@ subprojects {
         commonsCompressVersion = "1.25.0"
         commonsCodecVersion = "1.16.0"
         caffeineVersion = "3.1.8"
-        jettyVersion = "11.0.19"
+        jettyVersion = "11.0.20"
         caffeineVersion = "2.9.2"
         mysqlVersion = "8.3.0"
         mariadbVersion = "3.3.2"