diff --git a/.gitignore b/.gitignore
index 9937f45..038b8c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,4 +35,9 @@ coverage/
 
 
 ## Graphs
-/graphology/
\ No newline at end of file
+/graphology/
+
+# Track engine262 built files needed for deployment
+!engine262/lib/engine262.mjs
+!engine262/lib/engine262.d.ts
+!engine262/lib/inspector.mjs
\ No newline at end of file
diff --git a/engine262/.gitignore b/engine262/.gitignore
index b954315..a8e255e 100644
--- a/engine262/.gitignore
+++ b/engine262/.gitignore
@@ -1,6 +1,5 @@
 node_modules
 declaration
-lib
 test.mjs
 test.js
 .eslintcache