diff --git a/network/mail/thunderbird/files/pisilinux/mozconfig b/network/mail/thunderbird/files/pisilinux/mozconfig
index 4f53b8424a..92541a1bf1 100644
--- a/network/mail/thunderbird/files/pisilinux/mozconfig
+++ b/network/mail/thunderbird/files/pisilinux/mozconfig
@@ -1,4 +1,4 @@
-mk_add_options MOZ_MAKE_FLAGS="##JOBCOUNT##"
+mk_add_options MOZ_MAKE_FLAGS="-j5"
 
 ac_add_options --prefix=/usr
 ac_add_options --enable-release
@@ -8,15 +8,15 @@ ac_add_options --enable-optimize
 ac_add_options --enable-rust-simd
 
 ac_add_options --disable-elf-hack
-ac_add_options --enable-update-channel=release
-ac_add_options --with-distribution-id=org.pisilinux
 ac_add_options --without-wasm-sandboxed-libraries
 
-ac_add_options --enable-official-branding
+#ac_add_options --enable-official-branding
+ac_add_options --enable-update-channel=release
+#ac_add_options --with-distribution-id=org.pisilinux
 
 ac_add_options --with-system-nspr
 #ac_add_options --with-system-nss
-#ac_add_options --with-system-icu
+ac_add_options --with-system-icu
 ac_add_options --with-system-jpeg
 ac_add_options --with-system-zlib
 ac_add_options --with-system-bz2
diff --git a/network/mail/thunderbird/pspec.xml b/network/mail/thunderbird/pspec.xml
index 13e600cb99..be1f1fe790 100644
--- a/network/mail/thunderbird/pspec.xml
+++ b/network/mail/thunderbird/pspec.xml
@@ -15,7 +15,7 @@
         <IsA>app:gui</IsA>
         <Summary>The Stand-Alone Mozilla Mail Component</Summary>
         <Description>Thunderbird is a redesign of the Mozilla Mail Component. It is written using the XUL user interface language and designed to be cross-platform.</Description>
-        <Archive sha1sum="f5564aa798f069269ffbef860a6089d43966ec40" type="tarxz">http://ftp.mozilla.org/pub/thunderbird/releases/102.3.1/source/thunderbird-102.3.1.source.tar.xz</Archive>
+        <Archive sha1sum="aaf8fe931346caefdf50256053d7c2df742ef83f" type="tarxz">http://ftp.mozilla.org/pub/thunderbird/releases/115.4.1/source/thunderbird-115.4.1.source.tar.xz</Archive>
         <AdditionalFiles>
             <AdditionalFile target=".mozconfig">pisilinux/mozconfig</AdditionalFile>
         </AdditionalFiles>
@@ -57,7 +57,7 @@
         </BuildDependencies>
         <Patches>
             <Patch level="1">metainfo.patch</Patch>
-            <Patch level="1">cbindgen-0.24.patch</Patch>
+<!--             <Patch level="1">cbindgen-0.24.patch</Patch> -->
         </Patches>
     </Source>
 
@@ -471,6 +471,13 @@
     </Package>
 
     <History>
+        <Update release="12">
+            <Date>2023-10-28</Date>
+            <Version>115.4.1</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="11">
             <Date>2022-10-03</Date>
             <Version>102.3.1</Version>