diff --git a/firefox/.signature b/firefox/.signature
index f9e51822b..cd5af47cb 100644
--- a/firefox/.signature
+++ b/firefox/.signature
@@ -1,7 +1,7 @@
 untrusted comment: verify with /etc/ports/contrib.pub
-RWSagIOpLGJF38FdfRdMPBv9cpcToo/NBzom8r1LQV2Np7FUqtA4isiBokSM1m2+au45H7PezqJ1a4IltR8R3W6K55Ee24ybqAk=
-SHA256 (Pkgfile) = 3a000599d369e2f035cfced99727468894a6135645c7233afd4bca75e4564c2f
+RWSagIOpLGJF3+fsBPtBVAJCf41dVP2SrY4EGNju453/D7WtqSp7S3Ay5oB2VjYONAGaDlY4cLEJGC9AFqQyzItiRf0WFBTi4gQ=
+SHA256 (Pkgfile) = 68d7df9ef96254f08b45a3c7c1bb981d38369c37b1641292e9ede8847072cc6a
 SHA256 (.footprint) = d932c0f2d873abbf10fe3fd1a0d1dd95bf413717d06238eae7d85e86637aae53
-SHA256 (firefox-115.0.2esr.source.tar.xz) = 45723c83ea7dc318ec50d67eebf834163b626ec3924a3131fecddfc7268a95f5
+SHA256 (firefox-115.0.3esr.source.tar.xz) = 0bcc571c44f94ac6b8c26e896fd771eb7bd41b2a8ec35598bced0102c1b855fa
 SHA256 (firefox.desktop) = 05bd1a4e283bc68f525f87cabf35ad0a59e5e63e107ce3901a4ac73e3d16ef33
 SHA256 (node-stdout-nonblocking-wrapper) = bb8c503015e49ed1b152225bdc56cf502cd831f35962d113dcbb9121967f3523
diff --git a/firefox/Pkgfile b/firefox/Pkgfile
index faf55ccd8..d82175bc8 100644
--- a/firefox/Pkgfile
+++ b/firefox/Pkgfile
@@ -1,11 +1,11 @@
 # Description: The Mozilla Firefox browser with Alsa support
 # URL: https://www.mozilla.com/firefox/
 # Maintainer: John McQuah, jmcquah at disroot dot org
-# Depends on: aom autoconf-2.13 brotli cbindgen dav1d dbus-glib ffmpeg graphite2 libevent libnotify libvpx libwebp libxkbcommon nodejs nss unzip xorg-libxcomposite xorg-libxcursor xorg-libxinerama xorg-libxt zip
-# Optional: sccache lld wasi-libc++ alsa-lib pulseaudio jack pipewire 
+# Depends on: alsa-lib aom autoconf-2.13 brotli cbindgen dav1d dbus-glib ffmpeg graphite2 libevent libnotify libvpx libwebp libxkbcommon nodejs nss unzip xorg-libxcomposite xorg-libxcursor xorg-libxinerama xorg-libxt zip
+# Optional: apulse jack pulseaudio pipewire sndio sccache lld wasi-libc++
 
 name=firefox
-version=115.0.2
+version=115.0.3
 release=1
 source=(https://ftp.mozilla.org/pub/firefox/releases/${version}esr/source/$name-${version}esr.source.tar.xz
   firefox.desktop
@@ -68,11 +68,11 @@ cat <<- EOF > .mozconfig
 EOF
 
   # audio
-  prt-get isinst alsa-lib && PKGMK_FFAUDIO=",alsa"
-  prt-get isinst pulseaudio && PKGMK_FFAUDIO+=",pulseaudio"
+  PKGMK_FFAUDIO="alsa"
+  [ -e /usr/lib/libpulse.so -o -e /usr/lib/apulse/libpulse.so ] && PKGMK_FFAUDIO+=",pulseaudio"
   [ -e /usr/lib/libjack.so ] && PKGMK_FFAUDIO+=",jack"
   [ -e /usr/lib/libsndio.so ] && PKGMK_FFAUDIO+=",sndio"
-  echo "ac_add_options --enable-audio-backends=${PKGMK_FFAUDIO#,}" >> .mozconfig
+  echo "ac_add_options --enable-audio-backends=${PKGMK_FFAUDIO}" >> .mozconfig
 
   prt-get isinst wayland-protocols && \
   	echo 'ac_add_options --enable-default-toolkit=cairo-gtk3-wayland' >> .mozconfig || \
@@ -106,10 +106,10 @@ EOF
   # Disable notification when build system has finished
   export MOZ_NOSPAM=1
 
-  # Use system's Python environment
-  export PIP_NETWORK_INSTALL_RESTRICTED_VIRTUALENVS=mach
+  # Specify the Python environment to use
   #export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE=system
   export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE=pip
+  export PIP_NETWORK_INSTALL_RESTRICTED_VIRTUALENVS=mach
   mkdir $SRC/bin
   ln -s /usr/bin/pip3 $SRC/bin/pip
   ln -s /usr/bin/python3 $SRC/bin/python