---
id: rapids-dask-dependency
version: "26.8.0"
license: Apache-2.0
license_treatment: permissive
maintenance: active
---

# rapids-dask-dependency — Dask and Distributed version pinning for RAPIDS

License: permissive · Maintenance: active · Downloads: 251.6K/mo

## What it is and what it does

rapids-dask-dependency is a metapackage that centralizes Dask version pinning across RAPIDS releases. Because Dask's API changes between releases, each RAPIDS version must lock to a specific Dask and distributed pair to avoid incompatibilities. This package encodes those pinned versions and makes them available as a single dependency.

Beyond version pinning, the package includes a patching mechanism that runs on Python startup. It installs a .pth file and a custom meta path loader that intercepts all dask module imports and applies RAPIDS-specific patches automatically. This ensures dask modules are always compatible with RAPIDS regardless of import order, and users never need to manually import or configure it—it activates transparently when RAPIDS packages are installed.

Use it for:

- Installing RAPIDS packages that depend on a specific Dask version without manually managing version conflicts.
- Ensuring dask modules are patched for RAPIDS compatibility automatically on interpreter startup.
- Building RAPIDS nightly environments where alpha-tagged versions of the metapackage must be pinned with CalVer constraints.
- Centralizing Dask dependency management across multiple RAPIDS packages in a single release.

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

Pins compatible versions of dask and distributed for RAPIDS packages, and patches dask modules on import to ensure RAPIDS compatibility.

Yes, if you are using RAPIDS packages. This metapackage is essential for RAPIDS users to ensure Dask compatibility and automatic patching. It has no direct use outside RAPIDS environments and should not be installed standalone. For RAPIDS users, it is a required dependency managed by RAPIDS packages themselves, not typically installed directly.

## Install

pip install rapids-dask-dependency
uv add rapids-dask-dependency
poetry add rapids-dask-dependency

## Installing rapids-dask-dependency

Before you install: Active maintenance with a release 8 days ago. Low install friction—a pure Python wheel with only dask and distributed as runtime dependencies.

License in practice: Apache-2.0 permissive license allows use in most commercial and open-source projects without significant restrictions.

Quickstart:

pip install rapids-dask-dependency==26.8.0

# No manual import needed; the package installs a .pth file that automatically
# patches dask modules on Python interpreter startup when RAPIDS packages are present.

Intended for use within RAPIDS environments; manual import is not supported and patches are applied automatically via site initialization.

Verify before relying:

- Specific dask and distributed versions pinned by this release (26.8.0) are not listed in the fact sheet.
- Scope and nature of RAPIDS-specific patches applied to dask modules.
- Whether the package works correctly with Python versions not explicitly declared in requires_python.

## Package facts

- License: Apache-2.0 (permissive)
- Python support: unspecified
- Install friction: low
- Maintenance: active
- Downloads: 251.6K/month (top 15,000 on PyPI)
- Known vulnerabilities: none known

## Tags

dask version pinning, rapids dask compatibility, dask distributed metapackage, dask patching for rapids, dask dependency management, rapids, dask-integration, metapackage

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