diff --git a/.github/workflows/doc-assert.yml b/.github/workflows/doc-assert.yml
index 0e41d38..39a5083 100644
--- a/.github/workflows/doc-assert.yml
+++ b/.github/workflows/doc-assert.yml
@@ -27,7 +27,7 @@ jobs:
     name: lint, build & test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Format
         run: cargo fmt --all -- --check
       - name: Lint
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..ada6162
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,67 @@
+# Copyright 2024 The DocAssert Authors
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Publishes the crate to crates.io when a version tag (e.g. v0.1.2) is pushed.
+# Authentication uses crates.io Trusted Publishing (OIDC), so no long-lived
+# API token is stored in the repository.
+
+name: Release
+
+on:
+  push:
+    tags: [ "v*" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  publish:
+    name: publish to crates.io
+    runs-on: ubuntu-latest
+    environment: release
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check tag matches Cargo.toml version
+        run: |
+          version=$(cargo metadata --no-deps --format-version 1 | jq -r '.packages[] | select(.name == "doc-assert") | .version')
+          if [ "v$version" != "$GITHUB_REF_NAME" ]; then
+            echo "Tag $GITHUB_REF_NAME does not match Cargo.toml version v$version"
+            exit 1
+          fi
+      - name: Format
+        run: cargo fmt --all -- --check
+      - name: Lint
+        run: cargo clippy -- -D warnings
+      - name: Build
+        run: cargo build --verbose --features="binary"
+      - name: Run tests
+        run: cargo test --verbose --workspace
+      - name: Start sample-api backend
+        working-directory: ./tests/functional
+        run: make backend-start
+      - name: Wait for sample-api backend
+        working-directory: ./tests/functional
+        run: make backend-wait
+      - name: Run sanity functional tests
+        working-directory: ./tests/functional
+        run: make sanity
+      - name: Authenticate with crates.io
+        uses: rust-lang/crates-io-auth-action@v1
+        id: auth
+      - name: Publish
+        run: cargo publish
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}