diff --git a/.github/workflows/build-bitsandbytes.yml b/.github/workflows/build-bitsandbytes.yml
new file mode 100644
index 0000000000..a6a6265502
--- /dev/null
+++ b/.github/workflows/build-bitsandbytes.yml
@@ -0,0 +1,153 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# Based on upstream's Linux CPU wheel path (the build-cpu/build-wheels jobs, which retag the
+# wheel py3-none) and its CPU test job:
+#   https://github.com/bitsandbytes-foundation/bitsandbytes/blob/0.50.2/.github/workflows/python-package.yml
+#   https://github.com/bitsandbytes-foundation/bitsandbytes/blob/0.50.2/.github/workflows/test-runner.yml
+name: Build bitsandbytes wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version glob to (re)build; empty builds every version of docs/packages/bitsandbytes.yaml not released yet'
+        required: false
+        default: ''
+  pull_request:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-bitsandbytes.yml'
+      - 'docs/packages/bitsandbytes.yaml'
+  push:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-bitsandbytes.yml'
+      - 'docs/packages/bitsandbytes.yaml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read  # to fetch code (actions/checkout)
+
+env:
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+    with:
+      package: bitsandbytes
+      version: ${{ inputs.version }}
+
+  build_wheels:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+    name: Build bitsandbytes ${{ matrix.version }} py3-none-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 1440
+
+    env:
+      BITSANDBYTES_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Checkout bitsandbytes ${{ env.BITSANDBYTES_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: bitsandbytes-foundation/bitsandbytes
+          ref: ${{ env.BITSANDBYTES_VERSION }}
+          persist-credentials: false
+
+      - name: Build wheel
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          output-dir: wheelhouse/
+          # CMake's COMPUTE_BACKEND defaults to cpu and libbitsandbytes_cpu.so is
+          # ctypes-loaded, so one build serves every interpreter (retagged py3-none below,
+          # as upstream's own build-wheels job does).
+          only: cp312-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          CIBW_ENVIRONMENT: PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+          CIBW_TEST_ENVIRONMENT: BNB_TEST_DEVICE=cpu PIP_ONLY_BINARY=numpy,scipy,torch,tokenizers,safetensors,regex,pyyaml
+          CIBW_TEST_EXTRAS: test
+          CIBW_TEST_SOURCES: tests pyproject.toml
+          CIBW_TEST_COMMAND: pytest --durations=100
+
+      - name: Retag the wheel py3-none (libbitsandbytes_cpu.so is ctypes-loaded)
+        run: |
+          sudo apt-get update -qq
+          sudo apt-get install -y -qq --no-install-recommends python3-venv
+          python3 -m venv .venv
+          . .venv/bin/activate
+          pip install -q "wheel>=0.42"
+          python3 -m wheel tags --python-tag py3 --abi-tag none --remove wheelhouse/bitsandbytes-*.whl
+
+      - name: Check the wheel carries libbitsandbytes_cpu and a vendored libgomp
+        run: |
+          python3 - wheelhouse/*.whl <<'EOF'
+          import sys, zipfile
+
+          names = zipfile.ZipFile(sys.argv[1]).namelist()
+          for want in ("bitsandbytes/libbitsandbytes_cpu.so", "libgomp", "licenses/LICENSE"):
+              if not any(want in n for n in names):
+                  raise SystemExit(f"error: {want} missing from {sys.argv[1]}")
+          print("\n".join(n for n in names if ".so" in n))
+          EOF
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: bitsandbytes-${{ env.BITSANDBYTES_VERSION }}-py3-none-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  gpl_sources:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+    name: Collect GPL sources (gcc) for bitsandbytes ${{ matrix.version }}
+    runs-on: ubuntu-24.04-riscv
+    env:
+      BITSANDBYTES_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Collect gcc source RPM from manylinux_riscv64
+        uses: riseproject-dev/python-wheels/actions/collect-gpl-sources@main
+        with:
+          image: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          packages: gcc
+          output: gpl-sources.tar
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: bitsandbytes-${{ env.BITSANDBYTES_VERSION }}-gpl-sources
+          path: gpl-sources.tar
+          if-no-files-found: error
+
+  publish:
+    name: Publish bitsandbytes ${{ matrix.version }}
+    needs: [setup, build_wheels, gpl_sources]
+    if: needs.setup.outputs.versions != '[]'
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+    permissions:
+      contents: write
+      pull-requests: write
+    uses: $/.github/workflows/_publish-wheel.yml
+    secrets:
+      app-private-key: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
+    with:
+      artifact-pattern: bitsandbytes-${{ matrix.version }}-*-manylinux_riscv64
+      gpl-sources-artifact: bitsandbytes-${{ matrix.version }}-gpl-sources
+      gpl-sources-description: gcc
diff --git a/docs/packages/bitsandbytes.yaml b/docs/packages/bitsandbytes.yaml
new file mode 100644
index 0000000000..a04756c0f2
--- /dev/null
+++ b/docs/packages/bitsandbytes.yaml
@@ -0,0 +1,5 @@
+package-name: bitsandbytes
+source-code: https://github.com/bitsandbytes-foundation/bitsandbytes
+license: MIT
+versions:
+- version: 0.50.2