diff --git a/srcpkgs/firefox/template b/srcpkgs/firefox/template
index 81d1115660b..ee165a099f8 100644
--- a/srcpkgs/firefox/template
+++ b/srcpkgs/firefox/template
@@ -3,7 +3,7 @@
 # THIS PKG MUST BE SYNCHRONIZED WITH "srcpkgs/firefox-i18n".
 #
 pkgname=firefox
-version=147.0.2
+version=147.0.4
 revision=1
 build_helper="rust"
 short_desc="Mozilla Firefox web browser"
@@ -12,7 +12,7 @@ license="GPL-3.0-only AND LGPL-2.1-only AND LGPL-3.0-only AND MPL-2.0"
 homepage="https://www.mozilla.org/firefox/"
 changelog="https://www.mozilla.org/en-US/firefox/${version}/releasenotes/"
 distfiles="${MOZILLA_SITE}/firefox/releases/${version/beta/b}/source/firefox-${version/beta/b}.source.tar.xz"
-checksum=689d3d34c31b317511a09d6e568250c6736138ee092ef9129c98836d11d942d9
+checksum=bc0742ac62b177987d3312352194d4a088396ccf7b02e94be88f8072d82e94f7
 
 lib32disabled=yes
 _llvmver=21 # needs to match rust
@@ -21,7 +21,7 @@ hostmakedepends="unzip zip pkg-config perl python3
  nodejs cbindgen nasm which tar xz $(vopt_if wasi wasi-sdk)
  $(vopt_if pgo 'xvfb-run dbus mesa-dri vulkan-loader pciutils')"
 makedepends="nss-devel libjpeg-turbo-devel gtk+3-devel
- pixman-devel libevent-devel libnotify-devel libvpx-devel libwebp-devel
+ pixman-devel libevent-devel libnotify-devel libwebp-devel
  libXrender-devel libXcomposite-devel libSM-devel libXt-devel rust-std
  libXdamage-devel freetype-devel $(vopt_if wasi wasi-sdk)
  $(vopt_if alsa alsa-lib-devel) $(vopt_if dbus dbus-glib-devel)
@@ -176,7 +176,7 @@ do_build() {
 	ac_add_options --with-system-ffi
 	ac_add_options --with-system-jpeg
 	ac_add_options --with-system-libevent
-	ac_add_options --with-system-libvpx
+	# ac_add_options --with-system-libvpx
 	ac_add_options --with-system-nspr
 	ac_add_options --with-system-nss
 	ac_add_options --with-system-webp