diff --git a/.gitignore b/.gitignore
index 0ead705..57c5ee3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -261,3 +261,5 @@ firefox-3.6.4.source.tar.bz2
 /firefox-langpacks-57.0b9-20171019.tar.xz
 /firefox-57.0b11.source.tar.xz
 /firefox-langpacks-57.0b11-20171024.tar.xz
+/firefox-57.0b12.source.tar.xz
+/firefox-langpacks-57.0b12-20171030.tar.xz
diff --git a/firefox.spec b/firefox.spec
index d3fb372..a122bb6 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -81,7 +81,7 @@ ExcludeArch: armv7hl
 %global sqlite_build_version %(pkg-config --silence-errors --modversion sqlite3 2>/dev/null || echo 65536)
 %endif
 
-%define pre_version             b11
+%define pre_version             b12
 
 %global mozappdir     %{_libdir}/%{name}
 %global mozappdirdev  %{_libdir}/%{name}-devel-%{version}
@@ -103,13 +103,13 @@ ExcludeArch: armv7hl
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        57.0
-Release:        0.6%{?pre_tag}%{?dist}
+Release:        0.7%{?pre_tag}%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
 Source0:        https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
 %if %{build_langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20171024.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20171030.tar.xz
 %endif
 Source10:       firefox-mozconfig
 Source12:       firefox-redhat-default-prefs.js
@@ -860,6 +860,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Mon Oct 30 2017 Martin Stransky <stransky@redhat.com> - 57.0-0.7
+- Updated to 57.0 Beta 12
+
 * Tue Oct 24 2017 Martin Stransky <stransky@redhat.com> - 57.0-0.6
 - Updated to 57.0 Beta 11
 
diff --git a/sources b/sources
index 18a9f82..691074b 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (firefox-57.0b11.source.tar.xz) = 2f63af3d7a02229938b937bc4dd9024a030ebab336959d488c42cc69a1a31ec1441cd446082c19873e57941cd70f97def1230ee05cb15a7e2fb217cdc3aae389
-SHA512 (firefox-langpacks-57.0b11-20171024.tar.xz) = 0afcefe82d0f54d7186d354b9b9909118df33ea96ec7c878bf7fbb1f64f12bd742430a9bdcb99c660133aa7de9f91a1dd7232bf7ef92193f629ff88bb861d9e5
+SHA512 (firefox-57.0b12.source.tar.xz) = 1fb5616f2d8d5129ea9c25edd9f05b8591bc269a472f55ca17f2cc55bbbb046802c5f940b9ebb1f0cd0a781c51e37fabed4760af94986b69276b793e47522b47
+SHA512 (firefox-langpacks-57.0b12-20171030.tar.xz) = 2b7cd4e2d32a6819633ad854f267e7c76dfc6a3e9ffba955567f971eff7f204eaba761f666e201bf2c3989806aedd3704c4b80ea039bee4ca53dc55190f987c9