diff --git a/js/version.txt b/js/version.txt
index 434ff45..d7a63a4 100644
--- a/js/version.txt
+++ b/js/version.txt
@@ -1 +1 @@
-3.9.49beta20
\ No newline at end of file
+3.9.49beta21
\ No newline at end of file