diff --git a/.github/workflows/build-rocksdict.yml b/.github/workflows/build-rocksdict.yml
new file mode 100644
index 000000000..3977bd045
--- /dev/null
+++ b/.github/workflows/build-rocksdict.yml
@@ -0,0 +1,111 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on: https://github.com/rocksdict/RocksDict/blob/v0.3.29/.github/workflows/CI.yml
+name: Build rocksdict wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'rocksdict version to build (git tag without leading v, e.g. 0.3.29)'
+        required: true
+        default: '0.3.29'
+  pull_request:
+    paths:
+      - '.github/workflows/build-rocksdict.yml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ inputs.version || '0.3.29' }}-${{ 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 0.3.29 there.
+  ROCKSDICT_VERSION: ${{ inputs.version || '0.3.29' }}
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+  CARGO_INCREMENTAL: 0
+  CARGO_NET_RETRY: 10
+  RUSTUP_MAX_RETRIES: 10
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+
+  build_wheels:
+    needs: [setup]
+    name: Build rocksdict ${{ inputs.version || '0.3.29' }} ${{ matrix.python }}-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 1440
+    strategy:
+      fail-fast: false
+      matrix:
+        # pyo3 carries no abi3 feature here, so upstream ships one cp3x-cp3x
+        # wheel per interpreter (like build-fastuuid.yml) - repo-standard set.
+        # musllinux is dropped: rustup.rs ships no riscv64 musl toolchain.
+        python: ["cp312", "cp313", "cp314", "cp314t"]
+
+    steps:
+      - name: Checkout rocksdict v${{ env.ROCKSDICT_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: rocksdict/RocksDict
+          ref: v${{ env.ROCKSDICT_VERSION }}
+          submodules: recursive
+          persist-credentials: false
+
+      # Same OOM guard build-deltalake.yml/build-lancedb.yml need on these
+      # runners for a large native C++ build (RocksDB itself, here).
+      - name: Set swap space
+        uses: pierotofy/set-swap-space@fc79b3f67fa8a838184ce84a674ca12238d2c761  # master
+        with:
+          swap-size-gb: 10
+
+      - name: Build wheel
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          output-dir: wheelhouse/
+          only: ${{ matrix.python }}-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          # librocksdb-sys's build.rs always runs bindgen against RocksDB's C
+          # header; clang-devel supplies the libclang.so it dlopens (same as
+          # build-pymupdf.yml). Toolchain version pinned to match upstream's
+          # own CI (actions-rs/toolchain: 1.91.1).
+          CIBW_BEFORE_ALL_LINUX: >-
+            dnf install -y clang-devel &&
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs |
+            sh -s -- -y --default-toolchain 1.91.1
+          # Upstream's own manylinux/macOS/musllinux jobs build with the
+          # default `lto` Cargo feature on, but that requires `CC=clang` or
+          # librocksdb-sys's build.rs panics ("LTO is only supported with
+          # clang") and upstream's own manylinux jobs only get it because of a
+          # bespoke prebuilt clang+lld container we don't have for riscv64.
+          # Their own Windows job hits the same constraint and ships the
+          # identical `--no-default-features --features bindgen-runtime`
+          # shape used here, so this is upstream's own fallback, not an
+          # invented one.
+          CIBW_ENVIRONMENT_LINUX: >-
+            PATH="$PATH:$HOME/.cargo/bin"
+            MATURIN_PEP517_ARGS="--no-default-features --features bindgen-runtime"
+            CARGO_BUILD_JOBS=2
+            PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+          CIBW_TEST_COMMAND: >-
+            python -m unittest discover -v {package}/test
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: rocksdict-${{ env.ROCKSDICT_VERSION }}-${{ matrix.python }}-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  publish:
+    name: Publish rocksdict ${{ inputs.version || '0.3.29' }}
+    needs: [setup, build_wheels]
+    permissions:
+      contents: write
+      pull-requests: write
+    uses: $/.github/workflows/_publish-wheel.yml
+    with:
+      artifact-pattern: rocksdict-${{ inputs.version || '0.3.29' }}-*-manylinux_riscv64