diff --git a/.gitignore b/.gitignore
index e3b8ac8..27cedd9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@ firefox-langpacks-3.5.11-20100720.tar.bz2
 /firefox-langpacks-3.5.12-20100906.tar.bz2
 /firefox-3.5.14.source.tar.bz2
 /firefox-langpacks-3.5.14-20101019.tar.bz2
+/firefox-3.5.15.source.tar.bz2
+/firefox-langpacks-3.5.15-20101027.tar.bz2
diff --git a/firefox.spec b/firefox.spec
index 8abb04b..f484211 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -5,7 +5,7 @@
 %define mozappdir            %{_libdir}/%{name}-%{internal_version}
 %define tarballdir mozilla-1.9.1
 
-%define xulrunner_version 1.9.1.14
+%define xulrunner_version 1.9.1.15
 %define internal_version 3.5
 
 %define official_branding    1
@@ -18,7 +18,7 @@
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        3.5.14
+Version:        3.5.15
 Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -30,7 +30,7 @@ Group:          Applications/Internet
 %endif
 Source0:        %{tarball}
 %if %{build_langpacks}
-Source2:        firefox-langpacks-%{version}-20101019.tar.bz2
+Source2:        firefox-langpacks-%{version}-20101027.tar.bz2
 %endif
 Source10:       firefox-mozconfig
 Source11:       firefox-mozconfig-branded
@@ -348,6 +348,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Wed Oct 27 2010 Martin Stransky <stransky@redhat.com> - 3.5.15-1
+- Update to 3.5.15
+
 * Tue Oct 19 2010 Jan Horak <jhorak@redhat.com> - 3.5.14-1
 - Update to 3.5.14
 
diff --git a/sources b/sources
index d86a5aa..d5c28ac 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-547b36fda36b9de89ce8c2d8336deabc  firefox-3.5.14.source.tar.bz2
-889ed95a0c52c1e16adab08d44804af8  firefox-langpacks-3.5.14-20101019.tar.bz2
+876699d59db7419bacc03cae9576f5a1  firefox-3.5.15.source.tar.bz2
+599cb6a9926be6b0432f69d7650a7cbe  firefox-langpacks-3.5.15-20101027.tar.bz2