diff --git a/.github/workflows/publish-to-pypi.yaml b/.github/workflows/publish-to-pypi.yaml
index abd55a03..c3c244e0 100644
--- a/.github/workflows/publish-to-pypi.yaml
+++ b/.github/workflows/publish-to-pypi.yaml
@@ -17,16 +17,15 @@ jobs:
         uses: actions/setup-python@v3
         with:
           python-version: '3.10'
-      - name: Installing package
+
+      - name: Install build tools
         run: |
-          pip3 install .
-          pip3 install .[pypi]
-          pip3 install build wheel
-          pip3 install setuptools --upgrade
-          pip3 install setuptools_scm
+          pip install --upgrade pip setuptools wheel build setuptools_scm
+
       - name: Build Package
         run: |
           python -m build --no-isolation
+
       - name: Publish package to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
diff --git a/causal_testing/estimation/__init__.py b/causal_testing/estimation/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/pyproject.toml b/pyproject.toml
index 6a3c2c9c..5be7b7a5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ Documentation = "https://causal-testing-framework.readthedocs.io/"
 Source = "https://github.com/CITCOM-project/CausalTestingFramework"
 
 [tool.setuptools.packages]
-find = { }
+find = {}
 
 [tool.setuptools_scm]