diff --git a/contrib/source-control-tools/automated-commits.sh b/contrib/source-control-tools/automated-commits.sh
index 7e99a780f..7724aad1a 100755
--- a/contrib/source-control-tools/automated-commits.sh
+++ b/contrib/source-control-tools/automated-commits.sh
@@ -1,221 +1,276 @@
 #!/usr/bin/env bash
 
 # Note: Any bot running this script must have the appropriate permissions to
 # push commits upstream. When running locally, this script will git push in a
 # dry run by default.
 
 export LC_ALL=C.UTF-8
 
 set -euxo pipefail
 
 DEFAULT_PARENT_COMMIT="origin/master"
 
 help_message() {
   set +x
   echo "Generate a commit from available recipes."
   echo
   echo "Options:"
   echo "-p, --parent              The parent commit to build ontop of. Default: '${DEFAULT_PARENT_COMMIT}'"
   echo "                            Note: This should only be used for testing since the behavior of setting"
   echo "                            this to a particular commit varies slightly from the default."
   echo "-h, --help                Display this help message."
   echo
   echo "Environment Variables:"
   echo "COMMIT_TYPE               (required) The commit recipe to run."
   echo "DRY_RUN                   If set to 'no', this script will push the generated changes upstream. Default: 'yes'"
   set -x
 }
 
 PARENT_COMMIT="${DEFAULT_PARENT_COMMIT}"
 
 # Parse command line arguments
 while [[ $# -gt 0 ]]; do
 case $1 in
   -p|--parent)
     PARENT_COMMIT=$(git rev-parse "$2")
     shift # shift past argument
     shift # shift past value
     ;;
   -h|--help)
     help_message
     exit 0
     ;;
   *)
     echo "Unknown argument: $1"
     help_message
     exit 1
     ;;
 esac
 done
 
 : "${COMMIT_TYPE:=}"
 if [ -z "${COMMIT_TYPE}" ]; then
   echo "Error: Environment variable COMMIT_TYPE must be set"
   exit 2
 fi
 
 GIT_PUSH_OPTIONS=("--verbose")
 case ${DRY_RUN:=yes} in
   no|NO|false|FALSE)
     if [ "${PARENT_COMMIT}" != "${DEFAULT_PARENT_COMMIT}" ]; then
       echo "Error: Running with DRY_RUN=no on a commit parent other than '${DEFAULT_PARENT_COMMIT}'"
       exit 3
     fi
     ;;
   *)
     GIT_PUSH_OPTIONS+=("--dry-run")
     ;;
 esac
 
 echo "Building automated commit '${COMMIT_TYPE}'..."
 
 BOT_PREFIX="[Automated]"
 TOPLEVEL=$(git rev-parse --show-toplevel)
 
 BUILD_DIR="${TOPLEVEL}/abc-ci-builds/automated-commit-${COMMIT_TYPE}"
 mkdir -p "${BUILD_DIR}"
 export BUILD_DIR
 
 DEVTOOLS_DIR="${TOPLEVEL}"/contrib/devtools
 
 # Make sure tree is clean
 git checkout master
 git reset --hard "${PARENT_COMMIT}"
 
+# Utility functions to compare version strings
+version_greater_equal() {
+  printf '%s\n%s\n' "$2" "$1" | sort -V -C
+}
+version_greater() {
+  [ "$1" != "$2" ] && version_greater_equal "$1" "$2"
+}
+version_less_equal() {
+  ! version_greater "$1" "$2"
+}
+version_less() {
+  ! version_greater_equal "$1" "$2"
+}
+
+# Common script to update the AUR packages.
+# Usage: update-aur-version <package_name>
+update-aur-version() {
+  PACKAGE="$1"
+
+  # Get the current version of the software
+  "${DEVTOOLS_DIR}"/build_cmake.sh --no-build
+  CURRENT_VERSION="$(ninja print-version | grep -E '^[0-9]+\.[0-9]+\.[0-9]+$')"
+
+  # Get the current version of the AUR package
+  PKGBUILD="${TOPLEVEL}"/contrib/aur/${PACKAGE}/PKGBUILD
+  # shellcheck source=../aur/bitcoin-abc/PKGBUILD
+  source "${PKGBUILD}"
+
+  # Compare the versions. We only want to update if
+  # (software version > package version) to prevent downgrades.
+  if version_less_equal "${CURRENT_VERSION}" "${pkgver}"
+  then
+    echo "Current version ${CURRENT_VERSION} <= ${PACKAGE} AUR package version ${pkgver}, skip the update"
+    exit 0
+  fi
+
+  # Reset the release version to 0 and update the package version in the
+  # PKGBUILD file.
+  # Note that this pattern is very safe: because of the shell script syntax,
+  # no whitespace can occur and we have the original value as a variable.
+  sed -i "s/pkgrel=${pkgrel}/pkgrel=0/" "${PKGBUILD}"
+  sed -i "s/pkgver=${pkgver}/pkgver=${CURRENT_VERSION}/" "${PKGBUILD}"
+
+  git add "${PKGBUILD}"
+  git commit -m "Bump ${PACKAGE} AUR package version to ${CURRENT_VERSION}"
+}
+
 case "${COMMIT_TYPE}" in
+  update-aur-version-bitcoin-abc)
+    update-aur-version "bitcoin-abc"
+    ;;
+
+  update-aur-version-bitcoin-abc-qt)
+    update-aur-version "bitcoin-abc-qt"
+    ;;
+
   update-chainparams)
     CHAINPARAMS_SCRIPTS_DIR="${DEVTOOLS_DIR}"/chainparams
 
     # Assumes bitcoind instances are already running on mainnet and testnet
     pushd "${CHAINPARAMS_SCRIPTS_DIR}"
     CHAINPARAMS_MAINNET_TXT="chainparams_main.txt"
     ./make_chainparams.py > "${CHAINPARAMS_MAINNET_TXT}"
     git add "${CHAINPARAMS_MAINNET_TXT}"
 
     CHAINPARAMS_TESTNET_TXT="chainparams_test.txt"
     ./make_chainparams.py -a 127.0.0.1:18332 > "${CHAINPARAMS_TESTNET_TXT}"
     git add "${CHAINPARAMS_TESTNET_TXT}"
 
     CHAINPARAMS_CONSTANTS="${TOPLEVEL}"/src/chainparamsconstants.h
     ./generate_chainparams_constants.py . > "${CHAINPARAMS_CONSTANTS}"
     git add "${CHAINPARAMS_CONSTANTS}"
     popd
 
     git commit -m "${BOT_PREFIX} Update chainparams"
     ;;
 
   update-manpages)
     # Unfortunately bitcoin-qt requires a handle on the DISPLAY, even for the
     # --help option. We can spoof an X window using xvfb.
     command -v xvfb-run > /dev/null || (echo "Error: Package 'xvfb' is needed to run bitcoin-qt headlessly." && exit 11)
 
     "${DEVTOOLS_DIR}"/build_cmake.sh
     BUILDDIR="${BUILD_DIR}" xvfb-run "${DEVTOOLS_DIR}"/gen-manpages.sh
 
     MANPAGES_DIR="${TOPLEVEL}"/doc/man
 
     # Sanity check that the current bitcoind version is in the manpages.
     # Note that this check could be more complex, checking that all version
     # instances match the current bitcoind version. But, it's impossible to
     # know if some other version number will appear in the help text due to
     # deprecation notices or otherwise.
     EXPECTED_VERSION=$("${BUILD_DIR}"/src/bitcoind --version | head -1 | grep -oE "v[0-9]+\.[0-9]+\.[0-9]+")
     grep "${EXPECTED_VERSION}" "${MANPAGES_DIR}"/*\.1
 
     # Sanity check that the version string was not dirty or that something
     # unexpected occurred.
     grep "${EXPECTED_VERSION}-dirty" "${MANPAGES_DIR}"/*\.1 && {
       echo "Error: Unexpected dirty version string."
       exit 12
     }
     grep "${EXPECTED_VERSION}-unk" "${MANPAGES_DIR}"/*\.1 && {
       echo "Error: Unknown error detected in version string."
       exit 13
     }
 
     # If there is no change, we're done.
     if [ -z "$(git status --porcelain)" ]
     then
       echo "No update to perform on the man pages"
       exit 0
     fi
 
     git add "${MANPAGES_DIR}"/*\.1
 
     git commit -m "${BOT_PREFIX} Update manpages"
     ;;
 
   update-seeds)
     # Assumes seeder instances are already running on mainnet and testnet
     pushd "${TOPLEVEL}"/contrib/seeds
     : "${SEEDS_MAIN:=seeds_main.txt}"
     ./makeseeds.py < "${SEEDS_MAIN}" > nodes_main.txt
     git add nodes_main.txt
 
     : "${SEEDS_TEST:=seeds_test.txt}"
     ./makeseeds.py < "${SEEDS_TEST}" > nodes_test.txt
     git add nodes_test.txt
 
     SEEDS_HEADER="${TOPLEVEL}"/src/chainparamsseeds.h
     ./generate-seeds.py . > "${SEEDS_HEADER}"
     git add "${SEEDS_HEADER}"
     popd
 
     # Check that seeds have good connectivity
     "${DEVTOOLS_DIR}"/build_cmake.sh
     SEEDS_DIR="${TOPLEVEL}"/contrib/seeds
     RPC_PORT=18832 "${SEEDS_DIR}"/check-seeds.sh main 80
     RPC_PORT=18833 "${SEEDS_DIR}"/check-seeds.sh test 70
 
     git commit -m "${BOT_PREFIX} Update seeds"
     ;;
 
   update-timings)
     "${DEVTOOLS_DIR}"/build_cmake.sh
     pushd "${BUILD_DIR}"
     ninja check-functional-extended
     TIMING_SRC_FILE="${TOPLEVEL}"/test/functional/timing.json
     mv timing.json "${TIMING_SRC_FILE}"
     popd
 
     # Check that all tests are included in timing.json
     pushd "${TOPLEVEL}"/test/functional
     NON_TESTS=$(python3 -c 'from test_runner import NON_SCRIPTS; print(" ".join(NON_SCRIPTS))')
     export NON_TESTS
     check_missing() {
       # Exclude non-tests from the check
       if [[ "${NON_TESTS}" =~ $1 ]]; then
         exit 0
       fi
 
       if ! grep -q $1 timing.json ; then
         echo "Error: Test file '$1' is missing from timing.json"
         exit 1
       fi
     }
     export -f check_missing
     find . -maxdepth 1 -name '*.py' | cut -c 3- | xargs -I'{}' -n1 bash -c 'check_missing {}'
     popd
 
     git add "${TIMING_SRC_FILE}"
 
     git commit -m "${BOT_PREFIX} Update timing.json"
     ;;
 
   *)
     echo "Error: Invalid commit name '${COMMIT_TYPE}'"
     exit 10
     ;;
 esac
 
 # Smoke tests to give some confidence that master won't be put into a bad state
 "${DEVTOOLS_DIR}"/smoke-tests.sh
 
 echo "Pushing automated commit '${COMMIT_TYPE}'..."
 
 # Make sure master is up-to-date. If there is a merge conflict, this script
 # will not attempt to resolve it and simply fail.
 git fetch origin master
 git rebase "${PARENT_COMMIT}"
 
 git push "${GIT_PUSH_OPTIONS[@]}" origin master