diff --git a/docs/source/tutorials.md b/docs/source/tutorials.md
index f50571abc..fda03fea7 100644
--- a/docs/source/tutorials.md
+++ b/docs/source/tutorials.md
@@ -14,8 +14,8 @@ glob:
 
 | Notebook | Colab |
 | --- | ---|
-| {ref}`probabilistic_networks` | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/ilabcode/pyhgf/blob/master/docs/source/notebooks/0.1-Creating_networks.ipynb)
-| {ref}`theory` | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/ilabcode/pyhgf/blob/master/docs/source/notebooks/0.0-Theory.ipynb)
+| {ref}`probabilistic_networks` | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/ilabcode/pyhgf/blob/master/docs/source/notebooks/0-Creating_networks.ipynb)
+| {ref}`theory` | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/ilabcode/pyhgf/blob/master/docs/source/notebooks/0-Theory.ipynb)
 
 ## Using the Hierarchical Gaussian Filter
 
diff --git a/setup.py b/setup.py
index 3a7a8633a..4b631b58f 100644
--- a/setup.py
+++ b/setup.py
@@ -52,9 +52,10 @@ def get_version(rel_path):
         long_description=open("README.md", encoding='utf-8').read(),
         long_description_content_type="text/markdown",
         license="GPL-3.0",
-        version=get_version("pyhgf/__init__.py"),
+        version=get_version("src/pyhgf/__init__.py"),
         install_requires=get_requirements(),
         include_package_data=True,
-        package_data={"": ["pyhgf/pyhgf/data/*.dat"]},
+        package_dir = {"": "src"},
+        package_data={"": ["pyhgf/src/pyhgf/data/*.dat"]},
         packages=find_packages(),
     )
diff --git a/pyhgf/__init__.py b/src/pyhgf/__init__.py
similarity index 100%
rename from pyhgf/__init__.py
rename to src/pyhgf/__init__.py
diff --git a/pyhgf/data/binary_input.txt b/src/pyhgf/data/binary_input.txt
similarity index 100%
rename from pyhgf/data/binary_input.txt
rename to src/pyhgf/data/binary_input.txt
diff --git a/pyhgf/data/binary_response.txt b/src/pyhgf/data/binary_response.txt
similarity index 100%
rename from pyhgf/data/binary_response.txt
rename to src/pyhgf/data/binary_response.txt
diff --git a/pyhgf/data/usdchf.txt b/src/pyhgf/data/usdchf.txt
similarity index 100%
rename from pyhgf/data/usdchf.txt
rename to src/pyhgf/data/usdchf.txt
diff --git a/pyhgf/distribution.py b/src/pyhgf/distribution.py
similarity index 100%
rename from pyhgf/distribution.py
rename to src/pyhgf/distribution.py
diff --git a/pyhgf/model.py b/src/pyhgf/model.py
similarity index 100%
rename from pyhgf/model.py
rename to src/pyhgf/model.py
diff --git a/pyhgf/networks.py b/src/pyhgf/networks.py
similarity index 100%
rename from pyhgf/networks.py
rename to src/pyhgf/networks.py
diff --git a/pyhgf/plots.py b/src/pyhgf/plots.py
similarity index 100%
rename from pyhgf/plots.py
rename to src/pyhgf/plots.py
diff --git a/pyhgf/response.py b/src/pyhgf/response.py
similarity index 100%
rename from pyhgf/response.py
rename to src/pyhgf/response.py
diff --git a/pyhgf/typing.py b/src/pyhgf/typing.py
similarity index 100%
rename from pyhgf/typing.py
rename to src/pyhgf/typing.py
diff --git a/src/pyhgf/updates/__init__.py b/src/pyhgf/updates/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/pyhgf/updates/binary.py b/src/pyhgf/updates/binary.py
similarity index 100%
rename from pyhgf/updates/binary.py
rename to src/pyhgf/updates/binary.py
diff --git a/pyhgf/updates/categorical.py b/src/pyhgf/updates/categorical.py
similarity index 100%
rename from pyhgf/updates/categorical.py
rename to src/pyhgf/updates/categorical.py
diff --git a/pyhgf/updates/continuous.py b/src/pyhgf/updates/continuous.py
similarity index 100%
rename from pyhgf/updates/continuous.py
rename to src/pyhgf/updates/continuous.py