diff --git a/packages/apex-ast-serializer/server/build.gradle b/packages/apex-ast-serializer/server/build.gradle
index 5d84416de..8a1f8ba1b 100644
--- a/packages/apex-ast-serializer/server/build.gradle
+++ b/packages/apex-ast-serializer/server/build.gradle
@@ -126,7 +126,7 @@ jar {
 
 ext {
   slf4jVersion = '2.0.16'
-  jettyVersion = '11.0.24'
+  jettyVersion = '12.0.16'
   jerseyVersion = '3.1.9'
   junitVersion = '5.11.3'
 }