diff --git a/.github/workflows/build-pocketsphinx.yml b/.github/workflows/build-pocketsphinx.yml
new file mode 100644
index 00000000000..e336803c5b1
--- /dev/null
+++ b/.github/workflows/build-pocketsphinx.yml
@@ -0,0 +1,126 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on the `build_wheels` job of
+# https://github.com/cmusphinx/pocketsphinx/blob/v5.1.1/.github/workflows/release.yml
+# and the `python-tests` job of
+# https://github.com/cmusphinx/pocketsphinx/blob/v5.1.1/.github/workflows/tests.yml
+name: Build pocketsphinx wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version glob to (re)build; empty builds every version of docs/packages/pocketsphinx.yaml not released yet'
+        required: false
+        default: ''
+  pull_request:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-pocketsphinx.yml'
+      - 'docs/packages/pocketsphinx.yaml'
+  push:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-pocketsphinx.yml'
+      - 'docs/packages/pocketsphinx.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: pocketsphinx
+      version: ${{ inputs.version }}
+
+  build_wheels:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    name: Build pocketsphinx ${{ matrix.version }} ${{ matrix.python }}-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+        python: ["cp312", "cp313", "cp314"]
+
+    env:
+      POCKETSPHINX_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Checkout pocketsphinx v${{ env.POCKETSPHINX_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: cmusphinx/pocketsphinx
+          ref: v${{ env.POCKETSPHINX_VERSION }}
+          persist-credentials: false
+
+      # MT19937, dtoa and yin are compiled in, but upstream's LICENSE omits their notices.
+      - name: Stage the vendored sources' licences
+        run: |
+          set -euo pipefail
+          sed -n '/Copyright (C) 1997 - 2002, Makoto Matsumoto/,/SUCH DAMAGE\./{s/^   //;p}' src/util/genrand.c > LICENSE.mt19937
+          sed -n '/The author of this software is David M. Gay/,/PARTICULAR PURPOSE\./{s/^ \* \{0,1\}//;p}' src/util/dtoa.c > LICENSE.dtoa
+          sed -n '/Copyright (c) 2008 Beyond Access/,/SUCH DAMAGE\./{s/^ \* \{0,1\}//;p}' src/fe/yin.c > LICENSE.yin
+          for f in LICENSE.mt19937 LICENSE.dtoa LICENSE.yin; do
+            test "$(wc -l < "$f")" -gt 10
+          done
+          head -n 3 LICENSE.mt19937 LICENSE.dtoa LICENSE.yin
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          output-dir: wheelhouse/
+          only: ${{ matrix.python }}-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          CIBW_ENVIRONMENT: PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+          CIBW_TEST_REQUIRES: pytest memory_profiler
+          CIBW_TEST_COMMAND: pytest {project}
+
+      - name: Check wheel contents
+        run: |
+          python3 - wheelhouse/*.whl <<'EOF'
+          import sys, zipfile
+          names = zipfile.ZipFile(sys.argv[1]).namelist()
+          exts = [n for n in names if n.endswith(".so")]
+          assert len(exts) == 1 and exts[0].startswith("pocketsphinx/_pocketsphinx.cpython-"), exts
+          assert exts[0].endswith("-riscv64-linux-gnu.so"), exts
+          assert "pocketsphinx/model/en-us/en-us.lm.bin" in names, names
+          licences = {n.split(".dist-info/licenses/", 1)[1] for n in names
+                      if ".dist-info/licenses/" in n and not n.endswith("/")}
+          assert {"LICENSE", "LICENSE.dtoa", "LICENSE.mt19937", "LICENSE.yin"} <= licences, licences
+          EOF
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: pocketsphinx-${{ env.POCKETSPHINX_VERSION }}-${{ matrix.python }}-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  publish:
+    name: Publish pocketsphinx ${{ matrix.version }}
+    needs: [setup, build_wheels]
+    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: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
+    with:
+      artifact-pattern: pocketsphinx-${{ matrix.version }}-*-manylinux_riscv64
diff --git a/docs/packages/pocketsphinx.yaml b/docs/packages/pocketsphinx.yaml
new file mode 100644
index 00000000000..b7678b3791c
--- /dev/null
+++ b/docs/packages/pocketsphinx.yaml
@@ -0,0 +1,5 @@
+package-name: pocketsphinx
+source-code: https://github.com/cmusphinx/pocketsphinx
+license: BSD-2-Clause AND BSD-3-Clause AND MIT
+versions:
+- version: 5.1.1