diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index a509303..983ecd3 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -8,7 +8,7 @@
 # Contributor: Daniel J Griffiths <ghost1227@archlinux.us>
 
 pkgbase='protobuf'
-pkgname=('protobuf' 'python-protobuf')
+pkgname=('protobuf' 'python-protobuf' 'ruby-google-protobuf')
 pkgver=21.12
 pkgrel=2
 pkgdesc="Protocol Buffers - Google's data interchange format"
@@ -27,6 +27,8 @@ makedepends=(
   'python-installer'
   'python-setuptools'
   'python-wheel'
+  'ruby'
+  'ruby-rake-compiler'
 )
 checkdepends=(
   python-pytest
@@ -40,10 +42,16 @@ sha512sums=('2dc8f552388438268d8b9f7a9e84c6abf1736be3d5031438c789c317410c9f4b5ce
             'a297e74ee4f807b3fad7da7d0de6dd9647963521be66cd2a2370343f5bd191cbb38759157ac0cdb161a5893a30a10520a5098e88a292c800859af33db5cf7a41'
             'acc38a761cb164caf4c9fcb6181be999ce95899658cefd3253f6104c13265a595bb5e671b9df959ac88d2044f8c21f1e29796e9f7a772291b44d2eaab7723645')
 
+_gemname=google-protobuf
+
 prepare() {
   patch -d $pkgbase-$pkgver -Rp1 < 101b6199.patch # Revert ABI break
   patch -Np1 -d $pkgbase-$pkgver -i ../$pkgname-21.12-python3.11.patch
   patch -Np1 -d $pkgbase-$pkgver -i ../$pkgname-21.12-pep517.patch
+
+  cd $pkgbase-$pkgver/ruby
+  # update gemspec/Gemfile to allow newer version of the dependencies
+  sed --in-place --regexp-extended 's|~>|>=|g' "${_gemname}.gemspec" Gemfile
 }
 
 build() {
@@ -61,16 +69,70 @@ build() {
   cmake --build build --verbose
 
   ln -rs build $pkgbase-$pkgver/src/.libs
-  cd $pkgbase-$pkgver/python
+  pushd $pkgbase-$pkgver/python
   PROTOC="$srcdir"/build/protoc \
   python -m build --wheel --no-isolation
+  popd
+
+  pushd $pkgbase-$pkgver/ruby
+  local _gemdir="$(gem env gemdir)"
+  CFLAGS+=' -fno-lto'
+  LDFLAGS+=' -fno-lto'
+
+  PROTOC="$srcdir"/build/protoc \
+  rake genproto
+
+  gem build "${_gemname}.gemspec"
+
+  local _gemver=3.$pkgver
+  gem install \
+    --local \
+    --verbose \
+    --ignore-dependencies \
+    --no-user-install \
+    --install-dir "tmp_install/${_gemdir}" \
+    --bindir "tmp_install/usr/bin" \
+    "${_gemname}-${_gemver}.gem" -- \
+    --with-cflags=$CFLAGS \
+    --with-ldflags=$LDFLAGS
+
+  # remove unrepreducible files
+  rm --force --recursive --verbose \
+    "tmp_install/${_gemdir}/cache/" \
+    "tmp_install/${_gemdir}/gems/${_gemname}-${_gemver}/vendor/" \
+    "tmp_install/${_gemdir}/doc/${_gemname}-${_gemver}/ri/ext/"
+
+  find "tmp_install/${_gemdir}/gems/" \
+    -type f \
+    \( \
+      -iname "*.o" -o \
+      -iname "*.c" -o \
+      -iname "*.so" -o \
+      -iname "*.time" -o \
+      -iname "gem.build_complete" -o \
+      -iname "Makefile" \
+    \) \
+    -delete
+
+  find "tmp_install/${_gemdir}/extensions/" \
+    -type f \
+    \( \
+      -iname "mkmf.log" -o \
+      -iname "gem_make.out" \
+    \) \
+    -delete
 }
 
 check() {
   cmake --build build --target check
 
-  cd $pkgbase-$pkgver/python
+  pushd $pkgbase-$pkgver/python
   pytest -vv google/$pkgbase/internal/
+  popd
+
+  pushd $pkgbase-$pkgver/ruby
+  local _gemdir="$(gem env gemdir)"
+  IN_DOCKER=true GEM_HOME="tmp_install/${_gemdir}" rake test
 }
 
 package_protobuf() {
@@ -97,3 +159,15 @@ package_python-protobuf() {
   python -m installer --destdir="$pkgdir" $pkgbase-$pkgver/python/dist/*.whl
   install -vDm 644 $pkgbase-$pkgver/LICENSE -t "$pkgdir/usr/share/licenses/$pkgname/"
 }
+
+package_ruby-google-protobuf() {
+  pkgdesc='Ruby bindings for Google Protocol Buffers'
+  depends=(
+    'ruby'
+  )
+
+  cp -a $pkgbase-$pkgver/ruby/tmp_install/* "$pkgdir"
+
+  install -vDm 644 $pkgbase-$pkgver/LICENSE -t "$pkgdir/usr/share/licenses/$pkgname/"
+  install -Dm 0644 $pkgbase-$pkgver/ruby/*.md -t "$pkgdir/usr/share/doc/${pkgname}"
+}