diff --git a/.gitignore b/.gitignore
index e087dcd..9cdbac6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /enigmail-1.4.5.tar.gz
 /thunderbird-16.0.1.source.tar.bz2
 /enigmail-1.4.6.tar.gz
+/thunderbird-17.0.source.tar.bz2
diff --git a/sources b/sources
index d9eea7a..5d175b2 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
 3d42cff27e0f8da24bdabf8363d8261f  enigmail-1.4.6.tar.gz
-5b0ceb8d403b607fc0330e276b2e7c65  thunderbird-16.0.1.source.tar.bz2
+f3690660044337273efb52f79cb15b0e  thunderbird-17.0.source.tar.bz2
diff --git a/thunderbird-enigmail.spec b/thunderbird-enigmail.spec
index 7a6b93d..7a30fbd 100644
--- a/thunderbird-enigmail.spec
+++ b/thunderbird-enigmail.spec
@@ -45,8 +45,8 @@
 %global thunderbird_app_id \{3550f703-e582-4d05-9a08-453d09bdfdc6\}
 %global enimail_app_id     \{847b3a00-7ab1-11d4-8f02-006008948af5\}
 
-%global thunver  16.0.1
-%global thunmax  17.0
+%global thunver  17.0
+%global thunmax  18.0
 
 # The tarball is pretty inconsistent with directory structure.
 # Sometimes there is a top level directory.  That goes here.
@@ -65,7 +65,7 @@
 Summary:        Authentication and encryption extension for Mozilla Thunderbird
 Name:           thunderbird-enigmail
 Version:        1.4.6
-Release:        1%{?dist}
+Release:        2%{?dist}
 URL:            http://enigmail.mozdev.org/
 # All files licensed under MPL 1.1/GPL 2.0/LGPL 2.1
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -341,6 +341,9 @@ unzip -q objdir/mozilla/dist/bin/enigmail-*-linux-*.xpi -d $RPM_BUILD_ROOT%{enig
 #===============================================================================
 
 %changelog
+* Tue Nov 20 2012 Jan Horak <jhorak@redhat.com> - 1.4.6-2
+- Rebuild against newer Thunderbird
+
 * Fri Nov  9 2012 Remi Collet <remi@fedoraproject.org> 1.4.6-1
 - Enigmail 1.4.6 for Thunderbird 16