diff --git a/srcpkgs/firefox-esr/files/mozconfig b/srcpkgs/firefox-esr/files/mozconfig
deleted file mode 100644
index fa5a7a42e04be4..00000000000000
--- a/srcpkgs/firefox-esr/files/mozconfig
+++ /dev/null
@@ -1,36 +0,0 @@
-ac_add_options --prefix=/usr
-ac_add_options --libdir=/usr/lib
-
-ac_add_options --with-system-nspr
-ac_add_options --with-system-nss
-ac_add_options --with-system-jpeg
-ac_add_options --with-system-zlib
-ac_add_options --with-system-libevent
-ac_add_options --with-system-libvpx
-ac_add_options --with-system-icu
-# XXX: the system's libpng doesn't have APNG support
-ac_add_options --without-system-png
-ac_add_options --enable-system-pixman
-ac_add_options --enable-system-ffi
-
-nspr_config_args="
- --libdir=${XBPS_CROSS_BASE}/usr/lib
- --includedir=${XBPS_CROSS_BASE}/usr/include/nspr"
-
-nss_config_args="
- --libdir=${XBPS_CROSS_BASE}/usr/lib
- --includedir=${XBPS_CROSS_BASE}/usr/include/nss"
-
-ac_add_options --disable-tests
-ac_add_options --disable-crashreporter
-ac_add_options --disable-updater
-ac_add_options --disable-install-strip
-ac_add_options --disable-strip
-ac_add_options --disable-profiling
-ac_add_options --enable-release
-ac_add_options --enable-optimize="$CFLAGS"
-
-ac_add_options --enable-official-branding
-ac_add_options --enable-application=browser
-
-ac_add_options --allow-addon-sideload
diff --git a/srcpkgs/firefox-esr/template b/srcpkgs/firefox-esr/template
index baa8e8455f2245..ae468c00550dd8 100644
--- a/srcpkgs/firefox-esr/template
+++ b/srcpkgs/firefox-esr/template
@@ -4,20 +4,20 @@
 # After bumping this package, restore the depends of browsh
 #
 pkgname=firefox-esr
-version=115.0.2
-revision=2
+version=115.5.0
+revision=1
 build_helper="rust"
 short_desc="Mozilla Firefox web browser - Extended Support Release"
 maintainer="Orphaned <orphan@voidlinux.org>"
 license="MPL-2.0, GPL-2.0-or-later, LGPL-2.1-or-later"
 homepage="https://www.mozilla.org/firefox/"
 distfiles="${MOZILLA_SITE}/firefox/releases/${version}esr/source/firefox-${version}esr.source.tar.xz"
-checksum=45723c83ea7dc318ec50d67eebf834163b626ec3924a3131fecddfc7268a95f5
+checksum=db3f710209b74c0416834f76a9cfa42da65a833bf7cf79116ff2c43c4946a728
 
 lib32disabled=yes
 
-hostmakedepends="autoconf213 unzip zip pkg-config perl python3 yasm rust cargo
- llvm clang lld nodejs cbindgen nasm which tar"
+hostmakedepends="autoconf213 unzip zip pkg-config perl python3.11 yasm rust
+ cargo llvm clang lld nodejs cbindgen nasm which tar"
 makedepends="nss-devel libjpeg-turbo-devel gtk+3-devel icu-devel
  pixman-devel libevent-devel libnotify-devel libvpx-devel libwebp-devel
  libXrender-devel libXcomposite-devel libSM-devel libXt-devel rust-std
@@ -66,6 +66,8 @@ post_patch() {
 }
 
 do_build() {
+	ln -sf "/usr/bin/python3.11" "${XBPS_WRAPPERDIR}/python3"
+
 	if [ "$build_option_clang" ]; then
 		export CC=clang
 		export CXX=clang++