diff --git a/packages/apex-ast-serializer/server/build.gradle b/packages/apex-ast-serializer/server/build.gradle
index c5c808347..bff5d2668 100644
--- a/packages/apex-ast-serializer/server/build.gradle
+++ b/packages/apex-ast-serializer/server/build.gradle
@@ -110,7 +110,7 @@ jar {
 
 ext {
   slf4jVersion = '2.0.12'
-  jettyVersion = '11.0.20'
+  jettyVersion = '12.0.6'
   jerseyVersion = '3.1.5'
 }