--- a/mobile/confvars.sh
+++ b/mobile/confvars.sh
@@ -33,17 +33,17 @@
 # the provisions above, a recipient may use your version of this file under
 # the terms of any one of the MPL, the GPL or the LGPL.
 #
 # ***** END LICENSE BLOCK *****
 
 MOZ_APP_NAME=fennec
 MOZ_APP_UA_NAME=Fennec
 
-MOZ_APP_VERSION=4.0b5pre
+MOZ_APP_VERSION=4.0b6pre
 
 MOZ_BRANDING_DIRECTORY=mobile/branding/nightly
 MOZ_OFFICIAL_BRANDING_DIRECTORY=mobile/branding/official
 # MOZ_APP_DISPLAYNAME is set by branding/configure.sh
 
 MOZ_SERVICES_SYNC=1
 
 MOZ_ENABLE_LIBXUL=1