diff --git a/indra/newview/VIEWER_VERSION.txt b/indra/newview/VIEWER_VERSION.txt
index 4c77920fd2c5a9321491ced9a71b2ca654bf3798..a4c853ea2ea69dbd548168a6823f26d772f27f2c 100644
--- a/indra/newview/VIEWER_VERSION.txt
+++ b/indra/newview/VIEWER_VERSION.txt
@@ -1 +1 @@
-6.4.1
+6.4.2