diff --git a/.github/workflows/proto-docker.yml b/.github/workflows/proto-docker.yml
new file mode 100644
index 000000000..748d08e22
--- /dev/null
+++ b/.github/workflows/proto-docker.yml
@@ -0,0 +1,51 @@
+name: Build & Push TM Proto Builder
+on:
+  pull_request:
+    paths:
+      - "tools/proto/*"
+  push:
+    branches:
+      - master
+    paths:
+      - "tools/proto/*"
+  schedule:
+    # run this job once a month to recieve any go or buf updates
+    - cron: "* * 1 * *"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2.4.0
+      - name: Prepare
+        id: prep
+        run: |
+          DOCKER_IMAGE=tendermintdev/docker-build-proto
+          VERSION=noop
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            VERSION=${GITHUB_REF#refs/tags/}
+          elif [[ $GITHUB_REF == refs/heads/* ]]; then
+            VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
+            if [ "${{ github.event.repository.default_branch }}" = "$VERSION" ]; then
+              VERSION=latest
+            fi
+          fi
+          TAGS="${DOCKER_IMAGE}:${VERSION}"
+          echo ::set-output name=tags::${TAGS}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1.6.0
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1.10.0
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Publish to Docker Hub
+        uses: docker/build-push-action@v2.7.0
+        with:
+          context: ./tools/proto
+          file: ./tools/proto/Dockerfile
+          push: ${{ github.event_name != '' }}
+          tags: ${{ steps.prep.outputs.tags }}