diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 29b955d6..08b368d2 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -29,6 +29,8 @@ jobs:
           sccache --show-stats
 
       - uses: Swatinem/rust-cache@v2
+        with:
+          key: ${{ matrix.postgres.version }}
 
       - name: Install cargo-pgx
         run: |
@@ -44,10 +46,18 @@ jobs:
       - name: Initialize pgx
         if: ${{ steps.cache-pgx.outputs.cache-hit != 'true' }}
         run: cargo pgx init --pg${{ matrix.postgres.version }} download
-      
+
       - name: Run cargo test
         run: cargo pgx test pg${{ matrix.postgres.version }}
 
+      # Note: pgx puts the postgres test configuration data in target/pgx-test-data-<pg_ver>
+      # Swatinem/rust-cache "cleans" and then caches this directory. This
+      # "cleaning" breaks pgx when the cache is restored. By removing the
+      # directory, we prevent it from being incorrectly cached.
+      - name: Remove pgx-test-data directory
+        run: |
+          rm -rf target/pgx-test-data*
+
       - name: Show sccache stats
         run: sccache --show-stats
 
diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index 3bc6e122..7e4067d5 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -12,6 +12,7 @@ on:
 jobs:
   docker:
     runs-on: ubuntu-latest
+    if: github.repository == 'timescale/promscale_extension'
     outputs:
       branch_name: ${{steps.metadata.outputs.branch_name}}
       image_branch_name: ${{steps.metadata.outputs.image_branch_name}}
@@ -125,6 +126,7 @@ jobs:
 
   pick-connector-branch:
     name: picking connector's repo branch
+    if: github.repository == 'timescale/promscale_extension'
     runs-on: ubuntu-latest
     needs:
       - docker
@@ -165,7 +167,7 @@ jobs:
   # otherwise we have to keep updating them as we add or remove postgres versions etc.
   docker-result:
     name: docker result
-    if: always()
+    if: always() && github.repository == 'timescale/promscale_extension'
     needs:
       - docker
       - call-connector-e2e
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 648ae117..bdb63c81 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -15,15 +15,19 @@ on:
 
 jobs:
   package:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.arch.runner }}
     env:
       RUST_VERSION: "1.64.0"
     strategy:
       fail-fast: false
       matrix:
         arch:
+        - cpu: aarch64
+          platform: arm64
+          runner: [self-hosted, Linux, ARM64]
         - cpu: x86_64
           platform: amd64
+          runner: ubuntu-latest
         os:
         - name: linux
           distro: debian
@@ -71,7 +75,15 @@ jobs:
         - version: "12"
         - version: "13"
         - version: "14"
-
+        exclude:
+          # The centos build doesn't work on arm64
+          - os:
+              distro: centos
+            arch:
+              platform: arm64
+          # exclude arm64 on the promscale_extension repo, and exclude amd64 in the promscale_extension_private repo
+          - arch:
+              platform: ${{ github.repository == 'timescale/promscale_extension' && 'arm64' || 'amd64' }}
     steps:
     - name: Install PackageCloud
       if: ${{ startsWith(github.ref, 'refs/tags') }}
@@ -80,6 +92,9 @@ jobs:
 
     - uses: actions/checkout@v3
 
+    - name: Install rust
+      uses: dtolnay/rust-toolchain@1.64.0
+
     - name: Gather Metadata
       id: metadata
       run: |
@@ -106,11 +121,15 @@ jobs:
         echo "ghopts=${ghopts}" >> ${GITHUB_OUTPUT}
         echo "image=promscale-extension:${tag}.pg${{ matrix.postgres.version }}.${{ matrix.os.distro }}${{ matrix.os.version }}" >> ${GITHUB_OUTPUT}
 
-    - name: Setup QEMU
-      uses: docker/setup-qemu-action@v2
+    # This is necessary on self-hosted runners
+    - name: Create build context
+      run: |
+        docker context create builder
 
     - name: Setup Docker Buildx
       uses: docker/setup-buildx-action@v2
+      with:
+        endpoint: builder
 
     - name: Build Package
       uses: docker/build-push-action@v3
@@ -143,6 +162,8 @@ jobs:
         ls -la artifacts/*
 
     - name: Test package
+      # We can't test the package on arm64 because there is no timescaledb install for arm64
+      if: matrix.arch.platform != 'arm64'
       env:
         DISTRO: ${{ matrix.os.distro }}
         DISTRO_VERSION: ${{ matrix.os.version }}
@@ -226,8 +247,17 @@ jobs:
         cat dist/RELEASE_NOTES.md
 
     - name: Create Release
-      if: ${{ startsWith(github.ref, 'refs/tags') }}
+      if: ${{ startsWith(github.ref, 'refs/tags') && github.repository == 'timescale/promscale_extension' }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        gh release create --repo timescale/promscale_extension --target ${GITHUB_SHA} ${{ needs.package.outputs.ghopts }} --notes-file dist/RELEASE_NOTES.md ${{ needs.package.outputs.version }} artifacts/*
+
+    # Note: This assumes that the arm64 build reaches this point after the
+    # above `gh release create` command in the amd64 build
+    - name: Attach arm64 artifacts to release
+      if: ${{ startsWith(github.ref, 'refs/tags') && github.repository == 'timescale/promscale_extension_private' }}
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |
-        gh release create -R timescale/promscale_extension --target ${GITHUB_SHA} ${{ needs.package.outputs.ghopts }} --notes-file dist/RELEASE_NOTES.md ${{ needs.package.outputs.version }} artifacts/*
+        gh release upload --repo timescale/promscale_extension ${{ needs.package.outputs.version }} artifacts/*
diff --git a/RELEASING.md b/RELEASING.md
index 6271c7f2..451410cc 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -19,10 +19,12 @@ Create a new issue titled "Release `<version to be released here>`". Copy everyt
 ## Release
 - [ ] Create a tag on the master branch `git tag <new version>`
 - [ ] Push the tag `git push origin <new version>`
-- [ ] CI will trigger and create a draft release with assets attached.
+- [ ] CI will trigger the `release` job, which (when it completes) will create a draft release with assets attached.
+- [ ] Push the tag to the `promscale_extension_private` repository `git push private <new version>`.
+- [ ] Validate that the arm64 package build is triggered in the `promscale_extension_private` repo.
 - [ ] Prepare extension release notes, share with team asking for feedback.
+- [ ] Wait for CI to generate the packages, validate that _both_ `x86_64` and `aarch64` packages are present.
 - [ ] Attach release notes to draft release created above.
-- [ ] Wait for CI to generate the packages files
 - [ ] Create a PR to update the HA image in [timescaledb-docker-ha](https://github.com/timescale/timescaledb-docker-ha). [EXAMPLE](https://github.com/timescale/timescaledb-docker-ha/pull/285/files)
 - [ ] In the timescaledb-docker-ha repo, update `TIMESCALE_PROMSCALE_EXTENSIONS` in the `Makefile` to include the version just released
 - [ ] Update the CHANGELOG entry in the timescaledb-docker-ha repo and wait for the CI to complete and request review from the Cloud team and merge it when approved.
diff --git a/dist/deb.dockerfile b/dist/deb.dockerfile
index 03db8809..62832c0d 100644
--- a/dist/deb.dockerfile
+++ b/dist/deb.dockerfile
@@ -36,7 +36,9 @@ apt-get install -y \
     git \
     lintian \
     pkg-config \
-    rubygems
+    rubygems \
+    clang \
+    libclang-dev
 
 # Install FPM
 gem install fpm