diff --git a/.github/workflows/poetry-publish.yml b/.github/workflows/poetry-publish.yml
new file mode 100644
index 00000000..263e590f
--- /dev/null
+++ b/.github/workflows/poetry-publish.yml
@@ -0,0 +1,67 @@
+# Workflow following resources at:
+#  - https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python#publishing-to-pypi
+#  - https://packaging.python.org/en/latest/tutorials/packaging-projects/#uploading-the-distribution-archives
+# Jobs are split to prevent unneccessary priviledge elevation through write permissions during building.
+
+name: Build and publish on Pypi
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: read
+
+jobs:
+  run-tests:
+    uses: ./.github/workflows/poetry-pytest.yml
+
+  release-build:
+    name: Build python wheels
+    needs:
+      - run-tests
+    runs-on: ubuntu-latest
+    steps:
+      # https://github.com/actions/checkout
+      - uses: actions/checkout@v4
+      - name: Set up Python
+      # https://github.com/actions/setup-python
+        uses: actions/setup-python@v5.1.1
+        with:
+          python-version: "3.10"
+
+      - name: Install Poetry
+        run: |
+          pip install poetry
+
+      - name: Build source and wheel archives
+        run: poetry build
+
+      - name: Upload distributions
+      # https://github.com/actions/upload-artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: release-dists
+          path: dist/
+
+  pypi-publish:
+    name: Upload release to PyPI
+    needs:
+      - release-build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/modos
+    permissions:
+      id-token: write
+      # IMPORTANT: this permission is mandatory for trusted publishing
+    steps:
+    - name: Retrieve release distributions
+    # https://github.com/actions/download-artifact
+      uses: actions/download-artifact@v4.1.8
+      with:
+        name: release-dists
+        path: dist/
+    - name: Publish package distributions to PyPI
+    # https://github.com/pypa/gh-action-pypi-publish
+      uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/.github/workflows/poetry-pytest.yml b/.github/workflows/poetry-pytest.yml
index fea061bb..27cab0e9 100644
--- a/.github/workflows/poetry-pytest.yml
+++ b/.github/workflows/poetry-pytest.yml
@@ -1,6 +1,6 @@
 name: tests
 
-on: [push]
+on: [push, workflow_call]
 
 jobs:
 
diff --git a/.github/workflows/poetry-test-publish.yml b/.github/workflows/poetry-test-publish.yml
new file mode 100644
index 00000000..1833641e
--- /dev/null
+++ b/.github/workflows/poetry-test-publish.yml
@@ -0,0 +1,67 @@
+# Workflow following resources at:
+#  - https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python#publishing-to-pypi
+#  - https://packaging.python.org/en/latest/tutorials/packaging-projects/#uploading-the-distribution-archives
+# Jobs are split to prevent unneccessary priviledge elevation through write permissions during building.
+
+name: Build and publish on Pypi Test
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  run-tests:
+    uses: ./.github/workflows/poetry-pytest.yml
+  test-build:
+    name: Build python wheels
+    needs:
+      - run-tests
+    runs-on: ubuntu-latest
+    steps:
+      # https://github.com/actions/checkout
+      - uses: actions/checkout@v4
+      - name: Set up Python
+      # https://github.com/actions/setup-python
+        uses: actions/setup-python@v5.1.1
+        with:
+          python-version: "3.10"
+
+      - name: Install Poetry
+        run: |
+          pip install poetry
+
+      - name: Build source and wheel archives
+        run: poetry build
+
+      - name: Upload distributions
+      # https://github.com/actions/upload-artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-dists
+          path: dist/
+
+  pypi-test-publish:
+    name: Upload release to PyPI Test
+    needs:
+      - test-build
+    runs-on: ubuntu-latest
+    environment:
+      name: test-pypi
+      url: https://test.pypi.org/p/modos
+    permissions:
+      id-token: write
+      # IMPORTANT: this permission is mandatory for trusted publishing
+    steps:
+    - name: Retrieve release distributions
+    # https://github.com/actions/download-artifact
+      uses: actions/download-artifact@v4.1.8
+      with:
+        name: test-dists
+        path: dist/
+    - name: Publish package distributions to TestPyPI
+    # https://github.com/pypa/gh-action-pypi-publish
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        repository-url: https://test.pypi.org/legacy/
diff --git a/README.md b/README.md
index fe84d91b..7b912f79 100644
--- a/README.md
+++ b/README.md
@@ -111,11 +111,11 @@ For advanced use cases, the object's metadata can be queried with SPARQL!
 >>> ex.query("""
 ...   SELECT ?assay ?sample ?file
 ...   WHERE {
-...     [] schema1:name ?assay ;
+...     [] schema:name ?assay ;
 ...       modos:has_data [
 ...         modos:data_path ?file ;
 ...         modos:has_sample [
-...           schema1:name ?sample ;
+...           schema:name ?sample ;
 ...           modos:sex ?sex .
 ...         ]
 ...       ] .
diff --git a/docs/conf.py b/docs/conf.py
index 732aba5d..dd5160ce 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -9,7 +9,7 @@
 project = "modos-api"
 copyright = "2024, sdsc-ordes"
 author = "sdsc-ordes"
-release = "0.2.0"
+release = "0.2.1"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/docs/tutorials/modo_access.md b/docs/tutorials/modo_access.md
index 35045d0b..fd205525 100644
--- a/docs/tutorials/modo_access.md
+++ b/docs/tutorials/modo_access.md
@@ -120,12 +120,12 @@ modos publish --base-uri "http://demo-data" "data/ex"
 # @prefix EDAM: <http://edamontology.org/> .
 # @prefix NCIT: <http://purl.obolibrary.org/obo/NCIT_> .
 # @prefix modos: <https://w3id.org/sdsc-ordes/modos-schema/> .
-# @prefix schema1: <http://schema.org/> .
+# @prefix schema: <http://schema.org/> .
 # @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 #
 # <http://demo-data/assay/assay1> a modos:Assay ;
-#     schema1:description "Dummy assay for tests." ;
-#     schema1:name "Assay 1" ;
+#     schema:description "Dummy assay for tests." ;
+#     schema:name "Assay 1" ;
 #     modos:has_data <http://demo-data/demo1> ;
 #     modos:has_sample <http://demo-data/sample1> ;
 #     modos:omics_type NCIT:C84343 .
diff --git a/modos/rdf.py b/modos/rdf.py
index 97001552..570c6c58 100644
--- a/modos/rdf.py
+++ b/modos/rdf.py
@@ -16,7 +16,7 @@ def attrs_to_graph(meta: dict, uri_prefix: str) -> rdflib.Graph:
     """Convert a attribute dictionary to an RDF graph of metadata."""
     kg = rdflib.Graph()
     for prefix in load_prefixmap().values():
-        kg.bind(prefix.prefix_prefix, prefix.prefix_reference)
+        kg.bind(prefix.prefix_prefix, prefix.prefix_reference, replace=True)
 
     # Assuming the dict is flat, i.e. all subjects are top level
     for subject, attrs in meta.items():
diff --git a/pyproject.toml b/pyproject.toml
index 3535665c..62d1817c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "modos"
-version = "0.2.0"
+version = "0.2.1"
 description = "SMOC Multi-Omics Digital Object System API"
 authors = ["SDSC-ORDES"]
 license = "Apache-2.0"