diff --git a/srcpkgs/firefox/files/mozconfig b/srcpkgs/firefox/files/mozconfig
index c1adc6a9e0..33188c0c75 100644
--- a/srcpkgs/firefox/files/mozconfig
+++ b/srcpkgs/firefox/files/mozconfig
@@ -35,7 +35,6 @@ ac_add_options --disable-install-strip
 ac_add_options --disable-strip
 ac_add_options --disable-profiling
 ac_add_options --enable-optimize="$CFLAGS"
-ac_add_options --enable-pie
 
 ac_add_options --enable-official-branding
 ac_add_options --enable-application=browser
diff --git a/srcpkgs/firefox/patches/sndio.patch b/srcpkgs/firefox/patches/sndio.patch
index b885aa3802..6c72284c19 100644
--- a/srcpkgs/firefox/patches/sndio.patch
+++ b/srcpkgs/firefox/patches/sndio.patch
@@ -51,14 +51,14 @@
      ]
 --- build/moz.configure/old.configure.orig
 +++ build/moz.configure/old.configure
-@@ -159,6 +159,7 @@
+@@ -169,6 +169,7 @@
+ @old_configure_options(
      '--cache-file',
      '--datadir',
-     '--enable-accessibility',
 +    '--enable-sndio',
-     '--enable-bundled-fonts',
      '--enable-content-sandbox',
      '--enable-cookies',
+     '--enable-cpp-rtti',
 --- security/sandbox/linux/broker/SandboxBrokerPolicyFactory.cpp.orig
 +++ security/sandbox/linux/broker/SandboxBrokerPolicyFactory.cpp
 @@ -349,6 +349,21 @@
diff --git a/srcpkgs/firefox/template b/srcpkgs/firefox/template
index 5da605923b..9107f50fb6 100644
--- a/srcpkgs/firefox/template
+++ b/srcpkgs/firefox/template
@@ -1,16 +1,16 @@
-# Template build file for 'firefox'.
+# Template file for 'firefox'
 #
 # THIS PKG MUST BE SYNCHRONIZED WITH "srcpkgs/firefox-i18n".
 #
 pkgname=firefox
-version=63.0.3
+version=64.0
 revision=1
 short_desc="Mozilla Firefox web browser"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
+license="MPL-2.0, GPL-2.0-or-later, LGPL-2.1-or-later"
 homepage="https://www.mozilla.org/firefox/"
-license="MPL-2.0, GPL-2, LGPL-2.1"
 distfiles="${MOZILLA_SITE}/${pkgname}/releases/${version}/source/${pkgname}-${version}.source.tar.xz"
-checksum=48a834daa9c5773272a30933936ea8a78b217494355749ee68996639451d0931
+checksum=da40f2f8f1cbf0ddb3454aa9f65bb1a2b2043ca9b1724aecd016337be77d537f
 
 only_for_archs="i686 i686-musl x86_64 x86_64-musl"
 lib32disabled=yes
@@ -91,6 +91,8 @@ do_build() {
 
 	export MOZ_MAKE_FLAGS="${makejobs}"
 
+	export AS=$CC
+
 	cat <<! >>.mozconfig
 ac_add_options --with-google-api-keyfile="${wrksrc}/google-api-key"
 ac_add_options --with-mozilla-api-keyfile="${wrksrc}/mozilla-api-key"