diff --git a/indra/newview/VIEWER_VERSION.txt b/indra/newview/VIEWER_VERSION.txt
index 5dbe61b99e3af9e5cdf98c931205e4e3e5ddeabe..10abd6ae5bd33cde5868f5e6e3009b3fc451f215 100644
--- a/indra/newview/VIEWER_VERSION.txt
+++ b/indra/newview/VIEWER_VERSION.txt
@@ -1 +1 @@
-6.6.5
+6.6.6