diff --git a/.github/workflows/changelog_entry.yaml b/.github/workflows/changelog_entry.yaml
new file mode 100644
index 000000000..d0eb8574d
--- /dev/null
+++ b/.github/workflows/changelog_entry.yaml
@@ -0,0 +1,29 @@
+name: Versioning
+
+on:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  check-changelog-entry:
+    name: Changelog entry check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      
+      - name: Check for changelog entry
+        run: |
+          if [ ! -f "changelog_entry.yaml" ]; then
+            echo "Error: changelog_entry.yaml file is missing."
+            echo "Please add a changelog_entry.yaml file at the root of the repository."
+            exit 1
+          fi
+          
+          # Check if the file is empty
+          if [ ! -s "changelog_entry.yaml" ]; then
+            echo "Error: changelog_entry.yaml file is empty."
+            echo "Please add content to the changelog_entry.yaml file."
+            exit 1
+          fi
+          
+          echo "Changelog entry found and is not empty."
\ No newline at end of file
diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
index 71864d9bc..7bd46d26d 100644
--- a/.github/workflows/push.yaml
+++ b/.github/workflows/push.yaml
@@ -6,6 +6,8 @@ on:
   push:
     branches:
       - main
+    paths:
+      - pyproject.toml
 
 jobs:
   lint:
@@ -70,27 +72,14 @@ jobs:
         with:
           branch: gh-pages
           folder: docs/_build/html
-  publish-to-pypi:
-    name: Publish to PyPI
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0 # Fetch all history for all tags and branches
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: 3.12
-      - name: Install package
-        run: make install
-      - name: Build package
-        run: python -m build
       - name: Publish a git tag
         run: ".github/publish-git-tag.sh || true"
-      - name: Publish to PyPI
+      - name: Remove .whl files
+        run: rm dist/*.whl
+      - name: Publish a Python distribution to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__
           password: ${{ secrets.PYPI }}
           skip-existing: true
+          verbose: true
diff --git a/.github/workflows/versioning.yaml b/.github/workflows/versioning.yaml
new file mode 100644
index 000000000..b4e0edb9e
--- /dev/null
+++ b/.github/workflows/versioning.yaml
@@ -0,0 +1,37 @@
+# Workflow that runs on versioning metadata updates.
+
+name: Versioning updates
+on:
+  push:
+      branches:
+        - main
+
+      paths:
+        - changelog_entry.yaml
+        - "!pyproject.toml"
+
+jobs:
+    Versioning:
+        runs-on: ubuntu-latest
+        if: |
+          (!(github.event.head_commit.message == 'Update package version'))
+        steps:
+            - name: Checkout repo
+              uses: actions/checkout@v4
+              with:
+                repository: ${{ github.event.pull_request.head.repo.full_name }}
+                ref: ${{ github.event.pull_request.head.ref }}
+                token: ${{ secrets.POLICYENGINE_GITHUB }}
+            - name: Setup Python
+              uses: actions/setup-python@v5
+              with:
+                python-version: 3.12
+            - name: Build changelog
+              run: pip install yaml-changelog && make changelog
+            - name: Preview changelog update
+              run: ".github/get-changelog-diff.sh"
+            - name: Update changelog
+              uses: EndBug/add-and-commit@v9
+              with:
+                add: "."
+                message: Update package version
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 52b67116f..9d52f6ca9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,4 +14,5 @@
 !incomes_projection.csv
 !policyengine_uk_data/datasets/frs/local_areas/**/*.csv
 **/_build
-!policyengine_uk_data/storage/*.csv
\ No newline at end of file
+!policyengine_uk_data/storage/*.csv
+**/version.json
diff --git a/policyengine_uk_data/storage/upload_completed_datasets.py b/policyengine_uk_data/storage/upload_completed_datasets.py
index 21f61fe1d..3eb02385c 100644
--- a/policyengine_uk_data/storage/upload_completed_datasets.py
+++ b/policyengine_uk_data/storage/upload_completed_datasets.py
@@ -1,65 +1,25 @@
 from policyengine_uk_data.datasets import EnhancedFRS_2022_23, FRS_2022_23
 from policyengine_uk_data.storage import STORAGE_FOLDER
-from policyengine_uk_data.utils.huggingface import upload
-from google.cloud import storage
-import google.auth
+from policyengine_uk_data.utils.data_upload import upload_data_files
 
 
 def upload_datasets():
-    credentials, project_id = google.auth.default()
-    storage_client = storage.Client(
-        credentials=credentials, project=project_id
-    )
-    bucket = storage_client.bucket("policyengine-uk-data-private")
-    for dataset in [FRS_2022_23, EnhancedFRS_2022_23]:
-        dataset = dataset()
-        if not dataset.exists:
-            raise ValueError(
-                f"Dataset {dataset.name} does not exist at {dataset.file_path}."
-            )
-
-        upload(
-            dataset.file_path,
-            "policyengine/policyengine-uk-data",
-            dataset.file_path.name,
-        )
-        blob = dataset.file_path.name
-        blob = bucket.blob(blob)
-        blob.upload_from_filename(dataset.file_path)
-        print(
-            f"Uploaded {dataset.file_path.name} to GCS bucket policyengine-uk-data-private."
-        )
-
-    # Constituency weights:
-
-    upload(
+    dataset_files = [
+        FRS_2022_23.file_path,
+        EnhancedFRS_2022_23.file_path,
         STORAGE_FOLDER / "parliamentary_constituency_weights.h5",
-        "policyengine/policyengine-uk-data",
-        "parliamentary_constituency_weights.h5",
-    )
-
-    blob = "parliamentary_constituency_weights.h5"
-    blob = bucket.blob(blob)
-    blob.upload_from_filename(
-        STORAGE_FOLDER / "parliamentary_constituency_weights.h5"
-    )
-    print(
-        f"Uploaded parliamentary_constituency_weights.h5 to GCS bucket policyengine-uk-data-private."
-    )
-
-    # Local authority weights:
-
-    upload(
         STORAGE_FOLDER / "local_authority_weights.h5",
-        "policyengine/policyengine-uk-data",
-        "local_authority_weights.h5",
-    )
+    ]
+
+    for file_path in dataset_files:
+        if not file_path.exists():
+            raise ValueError(f"File {file_path} does not exist.")
 
-    blob = "local_authority_weights.h5"
-    blob = bucket.blob(blob)
-    blob.upload_from_filename(STORAGE_FOLDER / "local_authority_weights.h5")
-    print(
-        f"Uploaded local_authority_weights.h5 to GCS bucket policyengine-uk-data-private."
+    upload_data_files(
+        files=dataset_files,
+        hf_repo_name="policyengine-uk-data/policyengine-uk-data-private",
+        hf_repo_type="model",
+        gcs_bucket_name="policyengine-uk-data-private",
     )
 
 
diff --git a/policyengine_uk_data/utils/data_upload.py b/policyengine_uk_data/utils/data_upload.py
new file mode 100644
index 000000000..42d0fec24
--- /dev/null
+++ b/policyengine_uk_data/utils/data_upload.py
@@ -0,0 +1,104 @@
+from typing import List
+from huggingface_hub import HfApi, CommitOperationAdd
+from huggingface_hub.errors import RevisionNotFoundError
+from google.cloud import storage
+from pathlib import Path
+from importlib import metadata
+import google.auth
+import logging
+
+
+def upload_data_files(
+    files: List[str],
+    gcs_bucket_name: str = "policyengine-uk-data-private",
+    hf_repo_name: str = "policyengine/policyengine-uk-data",
+    hf_repo_type: str = "model",
+    version: str = None,
+):
+    if version is None:
+        version = metadata.version("policyengine-uk-data")
+
+    upload_files_to_hf(
+        files=files,
+        version=version,
+        hf_repo_name=hf_repo_name,
+        hf_repo_type=hf_repo_type,
+    )
+
+    upload_files_to_gcs(
+        files=files,
+        version=version,
+        gcs_bucket_name=gcs_bucket_name,
+    )
+
+
+def upload_files_to_hf(
+    files: List[str],
+    version: str,
+    hf_repo_name: str = "policyengine/policyengine-uk-data-private",
+    hf_repo_type: str = "model",
+):
+    """
+    Upload files to Hugging Face repository and tag the commit with the version.
+    """
+    api = HfApi()
+    hf_operations = []
+
+    for file_path in files:
+        file_path = Path(file_path)
+        if not file_path.exists():
+            raise ValueError(f"File {file_path} does not exist.")
+        hf_operations.append(
+            CommitOperationAdd(
+                path_in_repo=file_path.name,
+                path_or_fileobj=str(file_path),
+            )
+        )
+    commit_info = api.create_commit(
+        repo_id=hf_repo_name,
+        operations=hf_operations,
+        repo_type=hf_repo_type,
+        commit_message=f"Upload data files for version {version}",
+    )
+    logging.info(f"Uploaded files to Hugging Face repository {hf_repo_name}.")
+
+    # Tag commit with version
+    api.create_tag(
+        repo_id=hf_repo_name,
+        tag=version,
+        revision=commit_info.oid,
+        repo_type=hf_repo_type,
+    )
+    logging.info(
+        f"Tagged commit with {version} in Hugging Face repository {hf_repo_name}."
+    )
+
+
+def upload_files_to_gcs(
+    files: List[str],
+    version: str,
+    gcs_bucket_name: str = "policyengine-uk-data-private",
+):
+    """
+    Upload files to Google Cloud Storage and set metadata with the version.
+    """
+    credentials, project_id = google.auth.default()
+    storage_client = storage.Client(
+        credentials=credentials, project=project_id
+    )
+    bucket = storage_client.bucket(gcs_bucket_name)
+
+    for file_path in files:
+        file_path = Path(file_path)
+        blob = bucket.blob(file_path.name)
+        blob.upload_from_filename(file_path)
+        logging.info(
+            f"Uploaded {file_path.name} to GCS bucket {gcs_bucket_name}."
+        )
+
+        # Set metadata
+        blob.metadata = {"version": version}
+        blob.patch()
+        logging.info(
+            f"Set metadata for {file_path.name} in GCS bucket {gcs_bucket_name}."
+        )