diff --git a/Jakefile.js b/Jakefile.js
index 066ff0b4142..0d25abd59b1 100644
--- a/Jakefile.js
+++ b/Jakefile.js
@@ -146,6 +146,8 @@ task(TaskNames.lkg, [
     TaskNames.scripts,
     TaskNames.release,
     TaskNames.local,
+    Paths.servicesDefinitionFile,
+    Paths.tsserverLibraryDefinitionFile,
     ...libraryTargets
 ], () => {
     const sizeBefore = getDirSize(Paths.lkg);