diff --git a/helloworld-js/main.js b/helloworld-ts/main.ts
similarity index 100%
rename from helloworld-js/main.js
rename to helloworld-ts/main.ts
diff --git a/script-meta.json b/script-meta.json
index e032bf5..36bdab1 100644
--- a/script-meta.json
+++ b/script-meta.json
@@ -1,6 +1,6 @@
 {
-  "helloworld-js": {
-    "script_name": "helloworld-js",
+  "helloworld-ts": {
+    "script_name": "helloworld-ts",
     "script_length": 69,
     "script_sha256": "b301944e64def6c3a1ada4e327a7b2c2e37c576a65da5f797998355c51686f76"
   }
diff --git a/update-meta.rs b/update-meta.rs
index 4bb6114..2ab054d 100755
--- a/update-meta.rs
+++ b/update-meta.rs
@@ -46,7 +46,7 @@ fn main() -> XResult<()> {
         }
         let abs_dir_entry = std::path::absolute(&dir_entry.path())?;
         let main_rs = abs_dir_entry
-            .join("main.js");
+            .join("main.ts");
 
         script_meta_map.insert(
             script_dir.to_string(),