diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
index 378e142a..297fbefe 100644
--- a/.github/workflows/build-release.yml
+++ b/.github/workflows/build-release.yml
@@ -30,6 +30,7 @@ jobs:
         platform:
           - 'linux-x64'
           - 'linuxmusl-x64'
+          - 'linuxmusl-arm64v8'
           - 'linux-armv6'
           - 'linux-armv7'
           - 'linux-arm64v8'
diff --git a/build.sh b/build.sh
index 6b2ae0ae..c53dcf4b 100755
--- a/build.sh
+++ b/build.sh
@@ -16,9 +16,10 @@ if [ $# -lt 1 ]; then
   echo "- win32-arm64v8"
   echo "- linux-x64"
   echo "- linuxmusl-x64"
+  echo "- linuxmusl-arm64v8/arm64"
   echo "- linux-armv6"
   echo "- linux-armv7"
-  echo "- linux-arm64v8"
+  echo "- linux-arm64v8/arm64"
   echo "- darwin-x64"
   echo
   exit 1
@@ -26,6 +27,14 @@ fi
 VERSION_VIPS="$1"
 PLATFORM="${2:-all}"
 
+# alias arm64 to arm64v8
+if [ $PLATFORM = "linuxmusl-arm64" ]; then
+  PLATFORM="linuxmusl-arm64v8"
+fi
+if [ $PLATFORM = "linux-arm64" ]; then
+  PLATFORM="linux-arm64v8"
+fi
+
 # macOS
 # Note: we intentionally don't build these binaries inside a Docker container
 if [ $PLATFORM = "darwin-x64" ] && [ "$(uname)" == "Darwin" ]; then
@@ -70,8 +79,8 @@ for flavour in win32-ia32 win32-x64 win32-arm64v8; do
   fi
 done
 
-# Linux (x64, ARMv6, ARMv7, ARM64v8)
-for flavour in linux-x64 linuxmusl-x64 linux-armv6 linux-armv7 linux-arm64v8; do
+# Linux (x64 ARMv6, ARMv7, ARM64v8)
+for flavour in linux-x64 linuxmusl-x64 linuxmusl-arm64v8 linux-armv6 linux-armv7 linux-arm64v8; do
   if [ $PLATFORM = "all" ] || [ $PLATFORM = $flavour ]; then
     echo "Building $flavour..."
     docker build -t vips-dev-$flavour $flavour
diff --git a/build/lin.sh b/build/lin.sh
index 98a98fce..f4114caf 100755
--- a/build/lin.sh
+++ b/build/lin.sh
@@ -1,6 +1,14 @@
 #!/usr/bin/env bash
 set -e
 
+# alias arm64 to arm64v8
+if [ $PLATFORM = "linuxmusl-arm64" ]; then
+  PLATFORM="linuxmusl-arm64v8"
+fi
+if [ $PLATFORM = "linux-arm64" ]; then
+  PLATFORM="linux-arm64v8"
+fi
+
 # Environment / working directories
 case ${PLATFORM} in
   linux*)
@@ -69,7 +77,7 @@ CURL="curl --silent --location --retry 3 --retry-max-time 30"
 # Dependency version numbers
 VERSION_ZLIB=1.2.11
 VERSION_FFI=3.3
-VERSION_GLIB=2.67.1
+VERSION_GLIB=2.67.2
 VERSION_XML2=2.9.10
 VERSION_GSF=1.14.47
 VERSION_EXIF=0.6.22
@@ -78,14 +86,14 @@ VERSION_JPEG=2.0.6
 VERSION_PNG16=1.6.37
 VERSION_SPNG=0.6.1
 VERSION_WEBP=1.1.0
-VERSION_TIFF=4.1.0
+VERSION_TIFF=4.2.0
 VERSION_ORC=0.4.32
 VERSION_GETTEXT=0.21
 VERSION_GDKPIXBUF=2.42.2
 VERSION_FREETYPE=2.10.4
 VERSION_EXPAT=2.2.10
 VERSION_FONTCONFIG=2.13.93
-VERSION_HARFBUZZ=2.7.2
+VERSION_HARFBUZZ=2.7.4
 VERSION_PIXMAN=0.40.0
 VERSION_CAIRO=1.17.4
 VERSION_FRIBIDI=1.0.10
@@ -316,8 +324,8 @@ cd ${DEPS}/harfbuzz
 sed -i'.bak' "/subdir('util')/d" meson.build
 LDFLAGS=${LDFLAGS/\$/} meson setup _build --default-library=static --buildtype=release --strip --prefix=${TARGET} ${MESON} \
   -Dicu=disabled -Dtests=disabled -Dintrospection=disabled -Ddocs=disabled -Dbenchmark=disabled ${DARWIN:+-Dcoretext=enabled}
-ninja -C _build
-ninja -C _build install
+ninja -j1 -C _build
+ninja -j1 -C _build install
 
 mkdir ${DEPS}/pixman
 $CURL https://cairographics.org/releases/pixman-${VERSION_PIXMAN}.tar.gz | tar xzC ${DEPS}/pixman --strip-components=1
diff --git a/linuxmusl-arm64v8/Dockerfile b/linuxmusl-arm64v8/Dockerfile
new file mode 100644
index 00000000..d3384d01
--- /dev/null
+++ b/linuxmusl-arm64v8/Dockerfile
@@ -0,0 +1,61 @@
+FROM alpine:3.11
+LABEL maintainer="Lovell Fuller <npm@lovell.info>"
+
+# Create Alpine 3.11 (musl 1.1.24) container suitable for building Linux x64 binaries
+
+# Path settings
+ENV \
+  RUSTUP_HOME="/usr/local/rustup" \
+  CARGO_HOME="/usr/local/cargo" \
+  PATH="/usr/local/cargo/bin:$PATH"
+
+# Build dependencies
+RUN \
+  apk update && apk upgrade && \
+  apk --update --no-cache add \
+    autoconf \
+    automake \
+    binutils \
+    brotli \
+    build-base \
+    cmake \
+    curl \
+    findutils \
+    git \
+    glib-dev \
+    gobject-introspection-dev \
+    gperf \
+    gtk-doc \
+    intltool \
+    jq \
+    libtool \
+    linux-headers \
+    nasm \
+    ninja \
+    python3 \
+    shared-mime-info \
+    texinfo \
+    tar \
+    && \
+  apk --update --no-cache --repository https://alpine.global.ssl.fastly.net/alpine/edge/community/ add advancecomp && \
+  curl https://sh.rustup.rs -sSf | sh -s -- -y \
+    --no-modify-path \
+    --profile minimal \
+    && \
+  rustup target add aarch64-unknown-linux-musl && \
+  pip3 install meson==0.55.3
+
+# Compiler settings
+ENV \
+  PLATFORM="linuxmusl-arm64" \
+  RUST_TARGET="aarch64-unknown-linux-musl" \
+  FLAGS="-O3 -fPIC" \
+  ARFLAGS="cr" \
+  AR_FLAGS="cr"
+
+# Musl defaults to static libs but we need them to be dynamic for host toolchain.
+# The toolchain will produce static libs by default.
+ENV \
+  RUSTFLAGS="-C target-feature=-crt-static"
+
+COPY Toolchain.cmake /root/
\ No newline at end of file
diff --git a/linuxmusl-arm64v8/Toolchain.cmake b/linuxmusl-arm64v8/Toolchain.cmake
new file mode 100644
index 00000000..d98fafd2
--- /dev/null
+++ b/linuxmusl-arm64v8/Toolchain.cmake
@@ -0,0 +1,3 @@
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)