diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 6bb57fb4..b3f56675 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -21,21 +21,11 @@ jobs:
         with:
           python-version: 3.9
           architecture: 'x64'
-      - name: Install poetry
-        # see https://github.com/marketplace/actions/setup-poetry
-        uses: Gr1N/setup-poetry@v7
-        with:
-          poetry-version: 1.1.11
-      - uses: actions/cache@v2
-        with:
-          path: ~/.cache/pypoetry/virtualenvs
-          key: ${{ runner.os }}-poetry-${{ hashFiles('poetry.lock') }}
       - name: Install dependencies
-        run: poetry install
-
+        run: pip install -r doc/requirements.txt
       - name: Build documentation
         run: |
-          poetry run pdoc --template-dir doc/templates --html cyclonedx
+          pdoc --template-dir doc/templates --html cyclonedx
       - name: Deploy documentation
         uses: JamesIves/github-pages-deploy-action@4.1.5
         with:
diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 00000000..83315213
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,8 @@
+importlib-metadata==4.10.0
+Mako==1.1.6
+Markdown==3.3.6
+MarkupSafe==2.0.1
+pdoc3==0.10.0
+zipp==3.6.0
+packageurl-python>=0.9
+toml>=0.10.0
\ No newline at end of file