diff --git a/.gitignore b/.gitignore
index 3fa51b8..0a933ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
 SOURCES/Python-2.7.8.tgz
 SOURCES/devtoolset-2-binutils-2.23.52.0.1-10.el5.src.rpm
 SOURCES/gcc48-4.8.2-16.el5.src.rpm
-SOURCES/l10n-lightning-45.6.0.tar.xz
-SOURCES/thunderbird-45.6.0.source.tar.xz
-SOURCES/thunderbird-langpacks-45.6.0-20161216.tar.xz
+SOURCES/l10n-lightning-45.7.0.tar.xz
+SOURCES/thunderbird-45.7.0.source.tar.xz
+SOURCES/thunderbird-langpacks-45.7.0-20170126.tar.xz
 SOURCES/yasm-1.2.0-3.el5.src.rpm
diff --git a/.thunderbird.metadata b/.thunderbird.metadata
index 25e8d88..328eeb5 100644
--- a/.thunderbird.metadata
+++ b/.thunderbird.metadata
@@ -1,7 +1,7 @@
 511960dd78451a06c9df76509635aeec05b2051a SOURCES/Python-2.7.8.tgz
 467bdb846d67c01aed9e521fe0ef280065a50c3c SOURCES/devtoolset-2-binutils-2.23.52.0.1-10.el5.src.rpm
 e5ba84786af5d0e0e23b1a9112c76821ef23306c SOURCES/gcc48-4.8.2-16.el5.src.rpm
-5b66b933d195551e7d608de7bea2e4b2fad3b3d0 SOURCES/l10n-lightning-45.6.0.tar.xz
-feaa230faff78d9016332375a9f0bd089474b89c SOURCES/thunderbird-45.6.0.source.tar.xz
-f27df8ad9a1eedab5f0386a990e2091986246493 SOURCES/thunderbird-langpacks-45.6.0-20161216.tar.xz
+0fac6a4f6037b7b19864a7d15c6fd278b0c4be65 SOURCES/l10n-lightning-45.7.0.tar.xz
+b585208d6b05f42dda59bdc000f0e712375a6ee3 SOURCES/thunderbird-45.7.0.source.tar.xz
+7b2a5a9ac187e4a92e2ea07908d6fcc19a00e01c SOURCES/thunderbird-langpacks-45.7.0-20170126.tar.xz
 77fd30f7ebc12a629a31c1e252cec06af55a71fe SOURCES/yasm-1.2.0-3.el5.src.rpm
diff --git a/README.debrand b/README.debrand
deleted file mode 100644
index 01c46d2..0000000
--- a/README.debrand
+++ /dev/null
@@ -1,2 +0,0 @@
-Warning: This package was configured for automatic debranding, but the changes
-failed to apply.
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index 34bbe53..860a14b 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -92,7 +92,7 @@ ExcludeArch: ppc ia64
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        45.6.0
+Version:        45.7.0
 Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -101,13 +101,13 @@ Group:          Applications/Internet
 ExcludeArch:    ppc ppc64 ia64 s390 s390x
 %endif
 
-%define         tarballdir              thunderbird-45.6.0
+%define         tarballdir              thunderbird-45.7.0
 %define         objdir                  objdir
 
 # From ftp://archive.mozilla.org/pub/thunderbird/releases/%{version}%{?ext_version}/source
 Source0:        https://archive.mozilla.org/pub/thunderbird/releases/%{version}%{?pre_version}/source/thunderbird-%{version}%{?pre_version}.source.tar.xz
 %if %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}%{?ext_version}-20161216.tar.xz
+Source1:        thunderbird-langpacks-%{version}%{?ext_version}-20170126.tar.xz
 %endif
 # Locales for lightning
 Source2:        l10n-lightning-%{version}.tar.xz
@@ -947,6 +947,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Thu Jan 26 2017 Jan Horak <jhorak@redhat.com> - 45.7.0-1
+- Update to 45.7.0
+
 * Fri Dec 16 2016 Martin Stransky <stransky@redhat.com> - 45.6.0-1
 - Update to the latest upstream (45.6.0)