diff --git a/.teamcity/build-macos.sh b/.teamcity/build-macos.sh
new file mode 100755
index 00000000..43d47195
--- /dev/null
+++ b/.teamcity/build-macos.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -euo pipefail
+
+if ! git describe --tags --exact-match 2>/dev/null ; then
+    echo "Skipping public release for an untagged commit."
+    echo "##teamcity[buildStatus status='SUCCESS' text='Skipped due to lack of tag']"
+    exit 0
+fi
+
+if [[ "$(uname)" != "Darwin" ]] ; then
+    echo "This should be run on macOS"
+    exit 1
+fi
+
+go version
+export GO111MODULE=on
+
+# build 'cloudflared-darwin-amd64.tgz'
+mkdir -p artifacts
+FILENAME="$(pwd)/artifacts/cloudflared-darwin-amd64.tgz"
+export PATH="$PATH:/usr/local/bin"
+mkdir -p ../src/github.com/cloudflare/    
+cp -r . ../src/github.com/cloudflare/cloudflared
+cd ../src/github.com/cloudflare/cloudflared 
+GOCACHE="$PWD/../../../../" GOPATH="$PWD/../../../../" CGO_ENABLED=1 make cloudflared
+tar czf "$FILENAME" cloudflared
diff --git a/.teamcity/update-homebrew.sh b/.teamcity/update-homebrew.sh
new file mode 100755
index 00000000..7f898d3d
--- /dev/null
+++ b/.teamcity/update-homebrew.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+
+set -euo pipefail
+
+FILENAME="${PWD}/artifacts/cloudflared-darwin-amd64.tgz"
+
+if ! VERSION="$(git describe --tags --exact-match 2>/dev/null)" ; then
+    echo "Skipping public release for an untagged commit."
+    echo "##teamcity[buildStatus status='SUCCESS' text='Skipped due to lack of tag']"
+    exit 0
+fi
+
+if [[ ! -f "$FILENAME" ]] ; then
+    echo "Missing $FILENAME"
+    exit 1
+fi
+
+# upload to s3 bucket for use by Homebrew formula
+s3cmd \
+    --acl-public --signature-v2 --access_key="$AWS_ACCESS_KEY_ID" --secret_key="$AWS_SECRET_ACCESS_KEY" --host-bucket="%(bucket)s.s3.cfdata.org" \
+    put "$FILENAME" "s3://cftunnel-docs/dl/cloudflared-$VERSION-darwin-amd64.tgz"
+s3cmd \
+    --acl-public --signature-v2 --access_key="$AWS_ACCESS_KEY_ID" --secret_key="$AWS_SECRET_ACCESS_KEY" --host-bucket="%(bucket)s.s3.cfdata.org" \
+    cp "s3://cftunnel-docs/dl/cloudflared-$VERSION-darwin-amd64.tgz" "s3://cftunnel-docs/dl/cloudflared-stable-darwin-amd64.tgz"
+SHA256=$(sha256sum "$FILENAME" | cut -b1-64)
+
+# set up git (note that UserKnownHostsFile is an absolute path so we can cd wherever)
+mkdir -p tmp
+ssh-keyscan -t rsa github.com > tmp/github.txt
+export GIT_SSH_COMMAND="ssh -o UserKnownHostsFile=$PWD/tmp/github.txt"
+
+# clone Homebrew repo into tmp/homebrew-cloudflare
+git clone git@github.com:cloudflare/homebrew-cloudflare.git tmp/homebrew-cloudflare    
+cd tmp/homebrew-cloudflare
+git checkout -f master
+git reset --hard origin/master
+
+# modify cloudflared.rb
+URL="https://developers.cloudflare.com/argo-tunnel/dl/cloudflared-$VERSION-darwin-amd64.tgz"
+tee cloudflared.rb <<EOF
+class Cloudflared < Formula
+  desc 'Argo Tunnel'
+  homepage 'https://developers.cloudflare.com/argo-tunnel/'
+  url '$URL'
+  sha256 '$SHA256'
+  version '$VERSION'
+  def install
+    bin.install 'cloudflared'
+  end
+end
+EOF
+
+# push cloudflared.rb
+git add cloudflared.rb
+git diff
+git config user.name "cloudflare-warp-bot"
+git config user.email "warp-bot@cloudflare.com"
+git commit -m "Release Argo Tunnel $VERSION"
+git push -v origin master
diff --git a/cfsetup.yaml b/cfsetup.yaml
index 06773696..566040c9 100644
--- a/cfsetup.yaml
+++ b/cfsetup.yaml
@@ -83,6 +83,11 @@ stretch: &stretch
       - (cd / && go get github.com/BurntSushi/go-sumtype)
       - export PATH="$HOME/go/bin:$PATH"
       - make test
+  update-homebrew:
+    builddeps:
+      - s3cmd
+    post-cache:
+      - .teamcity/update-homebrew.sh
 
 jessie: *stretch