diff --git a/.github/workflows/build-ua-parser-rs.yml b/.github/workflows/build-ua-parser-rs.yml
new file mode 100644
index 000000000..e6c64d409
--- /dev/null
+++ b/.github/workflows/build-ua-parser-rs.yml
@@ -0,0 +1,118 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on the `py-release-wheels`/`py-release-tests` jobs of
+# https://github.com/ua-parser/uap-python/blob/ua-parser-rs-0.1.5/.github/workflows/release-wheels.yml
+name: Build ua-parser-rs wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'ua-parser-rs version to build (git tag without the ua-parser-rs- prefix, e.g. 0.1.5)'
+        required: true
+        default: '0.1.5'
+  pull_request:
+    paths:
+      - '.github/workflows/build-ua-parser-rs.yml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ inputs.version || '0.1.5' }}-${{ 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 0.1.5 there.
+  UA_PARSER_RS_VERSION: ${{ inputs.version || '0.1.5' }}
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+
+  build_wheels:
+    needs: [setup]
+    name: Build ua-parser-rs ${{ inputs.version || '0.1.5' }} ${{ matrix.tag }}-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 90
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          # pyo3's abi3-py310 feature is on unconditionally, so one abi3 wheel
+          # serves every GIL-ful interpreter; pyo3 disables abi3 under
+          # Py_GIL_DISABLED, giving the free-threaded build its own wheel
+          # (same shape as upstream's own cp310-abi3 + cp314t release).
+          - tag: cp310-abi3
+            # Built on cp310 -- the oldest interpreter the abi3 tag claims --
+            # and re-tested on the newer ones via find_compatible_wheel.
+            build: >-
+              cp310-manylinux_riscv64 cp311-manylinux_riscv64
+              cp312-manylinux_riscv64 cp313-manylinux_riscv64
+              cp314-manylinux_riscv64
+          - tag: cp314t
+            build: cp314t-manylinux_riscv64
+
+    steps:
+      # ua-parser-rs is a pyo3/maturin wheel living at `ua-parser-rs/` inside
+      # the ua-parser/uap-python monorepo (moved there from ua-parser/uap-rust
+      # -- the crate's own Cargo.toml still points `homepage`/`repository` at
+      # the old location).
+      - name: Checkout uap-python ua-parser-rs-${{ env.UA_PARSER_RS_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: ua-parser/uap-python
+          ref: ua-parser-rs-${{ env.UA_PARSER_RS_VERSION }}
+          submodules: true
+          persist-credentials: false
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          package-dir: ua-parser-rs
+          output-dir: wheelhouse/
+        env:
+          # musllinux is dropped: rustup.rs ships no riscv64 musl toolchain.
+          CIBW_BUILD: ${{ matrix.build }}
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          # ua-parser-rs ships no [tool.cibuildwheel], so the Rust toolchain
+          # its maturin backend needs is installed in-container here.
+          CIBW_BEFORE_ALL_LINUX: >-
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+          CIBW_ENVIRONMENT_LINUX: PATH="$PATH:$HOME/.cargo/bin"
+          CIBW_TEST_REQUIRES: pytest pyyaml
+          # CIBW_TEST_SOURCES resolves against the checkout root (the
+          # uap-python monorepo), not package-dir: staging the top-level
+          # `ua_parser` package plus the uap-core submodule it tests against
+          # lets the test command install and exercise the real ua_parser.regex
+          # backend that wraps this wheel, same as upstream's own CI does.
+          CIBW_TEST_SOURCES: tests uap-core src pyproject.toml README.rst
+          # ua_parser_rs's top-level __init__.py is maturin's own pyi-stub shim
+          # ('from .ua_parser_rs import *', matching the official PyPI wheel) --
+          # the compiled extension is the ua_parser_rs.ua_parser_rs submodule.
+          CIBW_TEST_COMMAND: >-
+            python -c "import ua_parser_rs;
+            assert ua_parser_rs.ua_parser_rs.__file__.endswith(('.so', '.pyd')), ua_parser_rs.ua_parser_rs.__file__;
+            e = ua_parser_rs.UserAgentExtractor([('(Chrome)/([0-9]+)', None, None, None, None, None)]);
+            r = e.extract('Mozilla/5.0 Chrome/120');
+            assert r is not None and r.family == 'Chrome' and r.major == '120', r" &&
+            python -m pip install . &&
+            python -m pytest -v tests/test_core.py -k regex
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: ua_parser_rs-${{ env.UA_PARSER_RS_VERSION }}-${{ matrix.tag }}-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  publish:
+    name: Publish ua-parser-rs ${{ inputs.version || '0.1.5' }}
+    needs: [setup, build_wheels]
+    permissions:
+      contents: write
+      pull-requests: write
+    uses: $/.github/workflows/_publish-wheel.yml
+    with:
+      artifact-pattern: ua_parser_rs-${{ inputs.version || '0.1.5' }}-*-manylinux_riscv64