diff --git a/packages/apex-ast-serializer/server/build.gradle b/packages/apex-ast-serializer/server/build.gradle
index 127481800..e3d46b84f 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 = '3.1.3'
 }