diff --git a/.gitignore b/.gitignore
index eb351ca..9e50870 100644
--- a/.gitignore
+++ b/.gitignore
@@ -88,3 +88,5 @@ firefox-3.6.4.source.tar.bz2
 /firefox-25.0.source.tar.bz2
 /firefox-langpacks-25.0-20131024.tar.xz
 /firefox-langpacks-25.0-20131030.tar.xz
+/firefox-26.0.source.tar.bz2
+/firefox-langpacks-26.0-20131209.tar.xz
diff --git a/firefox-mozconfig b/firefox-mozconfig
index ff48265..2ff23b4 100644
--- a/firefox-mozconfig
+++ b/firefox-mozconfig
@@ -6,7 +6,6 @@ ac_add_options --with-system-nspr
 ac_add_options --with-system-nss
 ac_add_options --with-system-jpeg
 ac_add_options --with-system-zlib
-#ac_add_options --with-system-png
 ac_add_options --with-system-libvpx
 ac_add_options --with-pthreads
 ac_add_options --disable-tests
diff --git a/firefox.spec b/firefox.spec
index 8fdb1e6..8f4b30b 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -57,14 +57,14 @@
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        25.0
-Release:        3%{?pre_tag}%{?dist}
+Version:        26.0
+Release:        1%{?pre_tag}%{?dist}
 URL:            http://www.mozilla.org/projects/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
 Source0:        ftp://ftp.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.bz2
 %if %{build_langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20131030.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20131209.tar.xz
 %endif
 Source10:       firefox-mozconfig
 Source11:       firefox-mozconfig-branded
@@ -443,6 +443,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Mon Dec 9 2013 Martin Stransky <stransky@redhat.com> - 26.0-1
+- Update to 26.0 Build 2
+
 * Wed Oct 30 2013 Martin Stransky <stransky@redhat.com> - 25.0-3
 - Update to 25.0 Build 3
 
diff --git a/sources b/sources
index 716fc8d..01ee063 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-90ac047e83079a9046192c732e195329  firefox-25.0.source.tar.bz2
-0fe471d06cfdb6595a7956350d3ea2b0  firefox-langpacks-25.0-20131030.tar.xz
+91ce51cc6474f1269484e5327643a59c  firefox-26.0.source.tar.bz2
+d89f888817f60a87fb71fdd190632212  firefox-langpacks-26.0-20131209.tar.xz