diff --git a/js/version.txt b/js/version.txt
index e5e7190..4f88a71 100644
--- a/js/version.txt
+++ b/js/version.txt
@@ -1 +1 @@
-3.9.49beta42
\ No newline at end of file
+3.9.49beta40
\ No newline at end of file