diff --git a/.github/workflows/build-asyncpg.yml b/.github/workflows/build-asyncpg.yml
new file mode 100644
index 00000000..8a4bb4c0
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+++ b/.github/workflows/build-asyncpg.yml
@@ -0,0 +1,97 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on: https://github.com/MagicStack/asyncpg/blob/v0.31.0/.github/workflows/release.yml
+name: Build asyncpg wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'asyncpg version to build (PyPI version, e.g. 0.31.0)'
+        required: true
+        default: '0.31.0'
+  pull_request:
+    paths:
+      - '.github/workflows/build-asyncpg.yml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ inputs.version || '0.31.0' }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read  # to fetch code (actions/checkout)
+
+env:
+  # `inputs.version` is empty on pull_request events; default to 0.31.0 there.
+  ASYNCPG_VERSION: ${{ inputs.version || '0.31.0' }}
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+
+jobs:
+  build_wheels:
+    name: Build asyncpg ${{ inputs.version || '0.31.0' }} ${{ matrix.python }}-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      matrix:
+        # Per-interpreter (not abi3): PyPI ships a cpXY-cpXY wheel for each.
+        python:
+          - "cp312"
+          - "cp313"
+          - "cp314"
+          - "cp314t"
+
+    steps:
+      - name: Checkout asyncpg v${{ env.ASYNCPG_VERSION }}
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
+        with:
+          repository: MagicStack/asyncpg
+          ref: v${{ env.ASYNCPG_VERSION }}
+          submodules: true
+          persist-credentials: false
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          output-dir: wheelhouse/
+          only: ${{ matrix.python }}-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          # Upstream's before-all scripts only know debian/almalinux/centos/alpine and
+          # bail on the Rocky 10 riscv64 image; install the same packages directly.
+          CIBW_BEFORE_ALL_LINUX: >-
+            dnf install -y --setopt=install_weak_deps=False
+            postgresql-server postgresql-contrib libpq-devel
+            krb5-server krb5-workstation krb5-devel
+            && useradd -m -s /bin/bash apgtest
+          # setuptools 82 dropped pkg_resources, which setup.py imports to cythonise;
+          # pyproject only floors setuptools, so pin it and drop build isolation.
+          CIBW_BEFORE_BUILD: pip install "setuptools<82" "Cython>=3.2.1,<4.0.0" wheel
+          CIBW_BUILD_FRONTEND: "build; args: --no-isolation"
+          # uvloop, in upstream's inherited `test` group, has no riscv64 wheel on PyPI.
+          CIBW_ENVIRONMENT: PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: asyncpg-${{ env.ASYNCPG_VERSION }}-${{ matrix.python }}-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  publish:
+    name: Publish asyncpg ${{ inputs.version || '0.31.0' }} to GitLab
+    needs: [build_wheels]
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+
+    steps:
+      - name: Publish wheels and open docs PR
+        uses: riseproject-dev/python-wheels/actions/publish-wheels@main
+        with:
+          artifact-pattern: asyncpg-${{ env.ASYNCPG_VERSION }}-*-manylinux_riscv64
+          gitlab-username: ${{ vars.GITLAB_DEPLOY_USER }}
+          gitlab-token: ${{ secrets.GITLAB_DEPLOY_TOKEN }}
+          gitlab-project-id: ${{ vars.GITLAB_PROJECT_ID }}
+          gh-token: ${{ secrets.GITHUB_TOKEN }}