diff --git a/.gitignore b/.gitignore
index 8004354..be81bfd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,6 @@ SOURCES/cbindgen-vendor.tar.xz
 SOURCES/nspr-4.35.0-1.el8_1.src.rpm
 SOURCES/nss-3.90.0-2.el8_1.src.rpm
 SOURCES/nss-3.90.0-3.el9_0.src.rpm
-SOURCES/thunderbird-115.6.0.processed-source.tar.xz
-SOURCES/thunderbird-langpacks-115.6.0-20231218.tar.xz
+SOURCES/thunderbird-115.7.0.processed-source.tar.xz
+SOURCES/thunderbird-langpacks-115.7.0-20240122.tar.xz
 SOURCES/thunderbird-symbolic.svg
diff --git a/.thunderbird.metadata b/.thunderbird.metadata
index b95c34e..882019e 100644
--- a/.thunderbird.metadata
+++ b/.thunderbird.metadata
@@ -2,6 +2,6 @@ b963b16f6879c5dbe6e33a3a3da058b494453922 SOURCES/cbindgen-vendor.tar.xz
 d744f92e874688cc4b5376477dfdd639a97a6cd4 SOURCES/nspr-4.35.0-1.el8_1.src.rpm
 39d1004f8948186cdaa33bbb90423f6f994bdf6c SOURCES/nss-3.90.0-2.el8_1.src.rpm
 df0dd588680f6ade6728a1fd3ff2d71e7a46255d SOURCES/nss-3.90.0-3.el9_0.src.rpm
-9bae1ff495719abed7db2d12735431aad655e436 SOURCES/thunderbird-115.6.0.processed-source.tar.xz
-42ee128db6384decdc7980c22e2df8792868ca7d SOURCES/thunderbird-langpacks-115.6.0-20231218.tar.xz
+71801f7a9fa61cbfafb6dc6cc5d53f9ed690ff3c SOURCES/thunderbird-115.7.0.processed-source.tar.xz
+b5ffddb970bbab1d0530db1b025563720416d698 SOURCES/thunderbird-langpacks-115.7.0-20240122.tar.xz
 42e80b86948cdba0f69af5b15a69bc6a1274d938 SOURCES/thunderbird-symbolic.svg
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 eeb2fd2..05e7922 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -134,7 +134,7 @@ end}
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        115.6.0
+Version:        115.7.0
 Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -155,7 +155,7 @@ ExcludeArch:    %{ix86}
   %endif
 %endif
 %if 0%{?rhel} == 7
-ExcludeArch:     s390 ppc 
+ExcludeArch:    aarch64 s390 ppc ppc64
 %endif
 
 # We can't use the official tarball as it contains some test files that use
@@ -165,7 +165,7 @@ ExcludeArch:     s390 ppc
 #Source0:        https://archive.mozilla.org/pub/thunderbird/releases/%%{version}%%{?pre_version}/source/thunderbird-%%{version}%%{?pre_version}.processed-source.tar.xz
 Source0:        thunderbird-%{version}%{?pre_version}%{?buildnum}.processed-source.tar.xz
 %if %{with langpacks}
-Source1:        thunderbird-langpacks-%{version}-20231218.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20240122.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -1514,6 +1514,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Mon Jan 22 2024 Eike Rathke <erack@redhat.com> - 115.7.0-1
+- Update to 115.7.0 build1
+
 * Mon Dec 18 2023 Eike Rathke <erack@redhat.com> - 115.6.0-1
 - Update to 115.6.0 build2