diff --git a/VERSION b/VERSION
index 329ee513..47f5c491 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.4.1-alpha.2+timestamp.2013.01.18.09.19.59
+Version 2.4.1-alpha.2+timestamp.2013.01.18.10.00.28
diff --git a/gluon/contenttype.py b/gluon/contenttype.py
index 0a3cb568..d01a8af1 100644
--- a/gluon/contenttype.py
+++ b/gluon/contenttype.py
@@ -625,6 +625,7 @@ CONTENT_TYPE = {
     '.voc': 'audio/x-voc',
     '.vor': 'application/vnd.stardivision.writer',
     '.vst': 'image/x-tga',
+    '.vtt': 'text/vtt',
     '.wav': 'audio/x-wav',
     '.wax': 'audio/x-ms-asx',
     '.wb1': 'application/x-quattropro',