diff --git a/thunderbird.spec b/thunderbird.spec
index 3dc75b5..d0dc763 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -2,6 +2,7 @@
 %define        majversion                  %(echo %version | cut -d. -f 1-2)
 %define        mozilla_version             %(echo %version | cut -d. -f 1)
 %define        tbdir                       %{_libdir}/thunderbird
+%define        basever %(echo %version | sed "s|esr||")
 #%define        enable_debug_info           0
 #%define        build_langpack              1
 #%define        with_calendar               0
@@ -9,7 +10,7 @@
 
 Name:          thunderbird
 Epoch:         1
-Version:       128.3.3
+Version:       128.5.0esr
 Release:       1mamba
 Summary:       Mozilla Thunderbird email, RSS, and newsgroup client
 Group:         Graphical Desktop/Applications/Internet
@@ -17,8 +18,8 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://wiki.mozilla.org/Thunderbird:Home_Page
-Source0:       https://archive.mozilla.org/pub/thunderbird/releases/%{version}esr/source/thunderbird-%{version}esr.source.tar.xz
-Source1:       thunderbird-%{version}esr-langpacks.tar.bz2
+Source0:       https://archive.mozilla.org/pub/thunderbird/releases/%{version}/source/thunderbird-%{version}.source.tar.xz
+Source1:       thunderbird-%{version}-langpacks.tar.bz2
 Source2:       thunderbird.desktop
 Source3:       mozilla-thunderbird128x128.png
 Source4:       thunderbird-script
@@ -31,7 +32,7 @@ Patch3:        thunderbird-115.13.0-rustc-18-1.patch
 Patch4:        thunderbird-115.13.0-rustc-18-2.patch
 License:       GPL,MPL 1.1,LGPL
 ## AUTOBUILDREQ-BEGIN
-BuildRequires: firefox-devel
+BuildRequires: firefox
 BuildRequires: glibc-devel
 BuildRequires: libX11-devel
 BuildRequires: libXcomposite-devel
@@ -206,7 +207,8 @@ This package contains the %{2} language support files for Thunderbird.\
 %setup -q -c
 #-D -T
 #:<< ___EOF
-cd thunderbird-%{version}
+mv thunderbird-* thunderbird
+cd thunderbird
 
 # Don't clean build at the end
 #% global __spec_rmbuild_cmd /bin/true
@@ -295,7 +297,7 @@ sed -e 's|880c982df0843cbdff38b9f9c3829a2d863a224e4de2260c41c3ac69e9148ad4|239b3
 
 %build
 #:<< ___EOF
-cd thunderbird-%{version}
+cd thunderbird
 export PYTHON=%{__python3}
 
 # Pass libstdc++ headers dirs to clang 
@@ -316,7 +318,7 @@ export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE=none
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-cd thunderbird-%{version}
+cd thunderbird
 export DESTDIR=%{buildroot}
 ./mach install
 
@@ -440,6 +442,9 @@ fi
 %exclude %{_libdir}/thunderbird/distribution/extensions/langpack-*@thunderbird.mozilla.org.xpi
 
 %changelog
+* Thu Nov 28 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 128.5.0esr-1mamba
+- update to 128.5.0esr
+
 * Tue Oct 29 2024 Automatic Build System <autodist@mambasoft.it> 128.3.3-1mamba
 - automatic version update by autodist