diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8473da7..fcb2008 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,6 +34,8 @@ jobs:
             python: '3.12'
           - os: ubuntu-latest
             python: '3.13'
+          - os: ubuntu-latest
+            python: '3.14'
           - os: windows-latest
             python: '3.13'
     runs-on: ${{ matrix.os }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4780097..93bfc3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+- Add Python 3.14 to the supported package classifiers and Linux CI test matrix.
 - Add admitted and rejected `dataset-label` draft examples, covered by draft and
   installed-wheel checks.
 
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 25b9732..6b9992a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -36,7 +36,7 @@ uv run --frozen mypy
 uv run --frozen pytest --cov
 ```
 
-CI also runs the tests on Linux (Python 3.11–3.13) and Windows, builds the wheel and
+CI also runs the tests on Linux (Python 3.11–3.14) and Windows, builds the wheel and
 smoke-tests it outside the source tree, and runs the GitHub Action. Coverage must stay at
 or above the minimum in `pyproject.toml`.
 
diff --git a/docs/ENGINEERING.md b/docs/ENGINEERING.md
index eb96b1b..b90b69e 100644
--- a/docs/ENGINEERING.md
+++ b/docs/ENGINEERING.md
@@ -97,7 +97,7 @@ uv build
 uv run --isolated --no-project --with ./dist/*.whl python tools/check_distribution.py
 ```
 
-CI runs on Linux/Python 3.11–3.13 and Windows/Python 3.13, and runs the GitHub Action on
+CI runs on Linux/Python 3.11–3.14 and Windows/Python 3.13, and runs the GitHub Action on
 Linux and Windows. Tests cover multi-domain acceptance, negative evidence cases,
 use-specific human review, strict configuration/JSON/draft parsing, baseline enforcement,
 context snapshots, audit digests, and CLI report behavior. The wheel smoke test imports
diff --git a/pyproject.toml b/pyproject.toml
index 8cb9b2e..6ed2dae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ classifiers = [
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
   "Topic :: Scientific/Engineering :: Bio-Informatics",
   "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]