diff --git a/indra/newview/VIEWER_VERSION.txt b/indra/newview/VIEWER_VERSION.txt
index a0b6fce83f47a718e061e75ce6493283983101a6..427dc381adc46644c4314d8086894f91f7ce7e16 100644
--- a/indra/newview/VIEWER_VERSION.txt
+++ b/indra/newview/VIEWER_VERSION.txt
@@ -1 +1 @@
-6.4.18
+6.4.19