diff --git a/.gitignore b/.gitignore
index 13e8e9e..c6ab7c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 SOURCES/cbindgen-vendor.tar.xz
 SOURCES/nspr-4.34.0-3.el8_1.src.rpm
 SOURCES/nss-3.79.0-11.el8_1.src.rpm
-SOURCES/thunderbird-102.10.0.b2.processed-source.tar.xz
-SOURCES/thunderbird-langpacks-102.10.0-20230411.tar.xz
+SOURCES/thunderbird-102.11.0.processed-source.tar.xz
+SOURCES/thunderbird-langpacks-102.11.0-20230504.tar.xz
 SOURCES/thunderbird-symbolic.svg
diff --git a/.thunderbird.metadata b/.thunderbird.metadata
index 78b88f2..053d4fe 100644
--- a/.thunderbird.metadata
+++ b/.thunderbird.metadata
@@ -1,6 +1,6 @@
 2a430d6252dbea45482ba316a6e9fa605c15e747 SOURCES/cbindgen-vendor.tar.xz
 af58b3c87a8b5491dde63b07efaeb3d7f1ec56c1 SOURCES/nspr-4.34.0-3.el8_1.src.rpm
 a9dd43799ab2ccbc248cfbba1cc5639c1ab18769 SOURCES/nss-3.79.0-11.el8_1.src.rpm
-6ff5d7cb41d859de65b276e927bfb0b5c8252878 SOURCES/thunderbird-102.10.0.b2.processed-source.tar.xz
-5802aa1e1e4bce6e932d50cbd94804427dd85227 SOURCES/thunderbird-langpacks-102.10.0-20230411.tar.xz
+7ffefde4550bd8ad0557ec011e9bd921d145ae3d SOURCES/thunderbird-102.11.0.processed-source.tar.xz
+c030353a3e2d3e1d060d44b7e316c89672742ee6 SOURCES/thunderbird-langpacks-102.11.0-20230504.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 05fe0a4..97728a7 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -19,7 +19,7 @@ function dist_to_rhel_minor(str, start)
   end
   match = string.match(str, ".el8")
   if match then
-     return 7
+     return 9
   end
   return -1
 end}
@@ -165,8 +165,8 @@ end}
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        102.10.0
-Release:        2%{?dist}
+Version:        102.11.0
+Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 
@@ -174,7 +174,7 @@ License:        MPLv1.1 or GPLv2+ or LGPLv2+
 # If set to .b2 or .b3 ... the processed source file needs to be renamed before upload, e.g.
 # thunderbird-102.8.0.b2.processed-source.tar.xz
 # When unset use processed source file name as is.
-%global buildnum .b2
+#%%global buildnum .b2
 
 %if 0%{?rhel} == 9
 ExcludeArch:    %{ix86}
@@ -193,7 +193,7 @@ ExcludeArch:    aarch64 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 %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}-20230411.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20230504.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -1255,8 +1255,8 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
-* Mon Apr 17 2023 CentOS Sources <bugs@centos.org> - 102.10.0-2.el8.centos
-- Apply debranding changes
+* Thu May 04 2023 Eike Rathke <erack@redhat.com> - 102.11.0-1
+- Update to 102.11.0 build1
 
 * Tue Apr 11 2023 Eike Rathke <erack@redhat.com> - 102.10.0-2
 - Update to 102.10.0 build2