diff --git a/.github/scripts/publish-bonsai-releases.py b/.github/scripts/publish-bonsai-releases.py
new file mode 100755
index 0000000000..a393104e7c
--- /dev/null
+++ b/.github/scripts/publish-bonsai-releases.py
@@ -0,0 +1,95 @@
+#!/usr/bin/env -S uv run
+# /// script
+# dependencies = [
+#     "PyGithub",
+#     "requests",
+# ]
+# ///
+
+import os
+from pathlib import Path
+
+import requests
+from github import Github
+from github.GitReleaseAsset import GitReleaseAsset
+
+EXTENSION_ID = "bonsai"
+CURRENT_PYTHON_VERSION = "py313"
+CURRENT_PLATFORMS = ["linux-x64", "macos-arm64", "windows-x64"]
+
+
+def publish_asset(asset: GitReleaseAsset, token: str, repo_root: Path) -> None:
+    """
+    Publish an asset to Blender Extensions.
+    Reference: https://extensions.blender.org/api/v1/swagger
+    """
+    temp_path = repo_root / asset.name
+
+    response = requests.get(asset.browser_download_url)
+    response.raise_for_status()
+    temp_path.write_bytes(response.content)
+
+    url = f"https://extensions.blender.org/api/v1/extensions/{EXTENSION_ID}/versions/upload/"
+    headers = {"Authorization": f"Bearer {token}"}
+
+    files = {"version_file": temp_path.read_bytes()}
+    response = requests.post(url, headers=headers, files=files)
+    response.raise_for_status()
+
+    temp_path.unlink()
+
+    print(f"✓ Published {asset.name}")
+
+
+def main() -> None:
+    token = os.getenv("BLENDER_EXTENSIONS_TOKEN")
+    if not token:
+        raise Exception("BLENDER_EXTENSIONS_TOKEN environment variable not set")
+
+    # Get the repository root
+    repo_root = Path(__file__).parent.parent.parent
+
+    # Read VERSION file
+    version_file = repo_root / "VERSION"
+    version = version_file.read_text().strip()
+
+    print(f"Current VERSION: {version}")
+
+    tag_name = f"bonsai-{version}"
+
+    # Get release from GitHub
+    gh = Github()
+    gh_repo = gh.get_repo("IfcOpenShell/IfcOpenShell")
+    release = gh_repo.get_release(tag_name)
+
+    assets = release.get_assets()
+
+    asset_platform_map: dict[str, tuple[GitReleaseAsset, str]] = {}
+    for asset in assets:
+        if CURRENT_PYTHON_VERSION not in asset.name:
+            continue
+        for platform in CURRENT_PLATFORMS:
+            if platform in asset.name:
+                asset_platform_map[asset.name] = (asset, platform)
+                break
+
+    if len(asset_platform_map) != len(CURRENT_PLATFORMS):
+        found_platforms = {platform for _, (_, platform) in asset_platform_map.items()}
+        missing_platforms = set(CURRENT_PLATFORMS) - found_platforms
+        raise Exception(
+            f"Expected {len(CURRENT_PLATFORMS)} assets but found {len(asset_platform_map)}. "
+            f"Missing: {', '.join(sorted(missing_platforms))}"
+        )
+
+    print("\nRelease assets:")
+    for asset_name in sorted(asset_platform_map.keys()):
+        print(f"- {asset_name}")
+
+    # https://extensions.blender.org/api/v1/swagger
+    print("\nPublishing assets to Blender Extensions:")
+    for asset_name, (asset, platform) in asset_platform_map.items():
+        publish_asset(asset, token, repo_root)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/.github/workflows/publish-bonsai-releases.yml b/.github/workflows/publish-bonsai-releases.yml
new file mode 100644
index 0000000000..25d9a67d41
--- /dev/null
+++ b/.github/workflows/publish-bonsai-releases.yml
@@ -0,0 +1,16 @@
+name: Publish Bonsai Releases
+
+on:
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: astral-sh/setup-uv@v3
+
+      - run: uv run .github/scripts/publish-bonsai-releases.py
+        env:
+          BLENDER_EXTENSIONS_TOKEN: ${{ secrets.BLENDER_EXTENSIONS_TOKEN }}
diff --git a/src/bonsai/docs/guides/development/maintenance.rst b/src/bonsai/docs/guides/development/maintenance.rst
index 5550f7ba6c..f0d9796e12 100644
--- a/src/bonsai/docs/guides/development/maintenance.rst
+++ b/src/bonsai/docs/guides/development/maintenance.rst
@@ -96,7 +96,10 @@ Things to update:
 - ``.github/workflows/ci-ifcsverchok.yml`` - release ifcsverchok Blender add-on in GitHub releases
 - ``.github/workflows/ci-ifctester-pypi.yml`` - release `ifctester <https://pypi.org/project/ifctester/>`_ to PyPI
 - ``.github/workflows/ci-pyodide-wasm-release.yml`` - release pyodide wasm wheel to `wasm-wheels <https://github.com/IfcOpenShell/wasm-wheels>`_
-- Release Bonsai Blender extension - zip files from ci-bonsai.yml releases should be uploaded manually to `Blender extensions platform <https://extensions.blender.org/add-ons/bonsai/>`_
+- ``.github/workflows/publish-bonsai-releases.yml`` - publish Bonsai Blender extension to `Blender extensions platform <https://extensions.blender.org/add-ons/bonsai/>`_
+
+  - ❗ Requires ``BLENDER_EXTENSIONS_TOKEN`` secret to be set - ❗ not yet configured
+
 - Publishing documentation and websites (see `website <https://github.com/IfcOpenShell/website>`_ repository):
 
   - `ifcopenshell-docs.yml` - builds and publishes IfcOpenShell documentation to `docs.ifcopenshell.org <https://docs.ifcopenshell.org>`_ (`ifcopenshell_org_docs <https://github.com/IfcOpenShell/ifcopenshell_org_docs>`_ repo)