diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 35d00524..21850e2e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,11 +17,6 @@ jobs:
         uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y bats gcc
-          python -m pip install --upgrade pip
       - name: Lint
         run: ./tests/run_linters.sh
       - name: Unit tests
diff --git a/examples/gen_readme.py b/examples/gen_readme.py
index 8d12f1f0..6cea94ac 100755
--- a/examples/gen_readme.py
+++ b/examples/gen_readme.py
@@ -1,7 +1,8 @@
 #!/usr/bin/env python3
 """Generate the dockerfiles from a jinja template."""
 from pathlib import Path
-from jinja2 import Environment, FileSystemLoader, Markup
+from jinja2 import Environment, FileSystemLoader
+from markupsafe import Markup, escape
 
 import os
 import yaml
diff --git a/requirements.txt b/requirements.txt
index deec1d71..490d1f9a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,11 @@
-click==8.0.4
+click==8.1.2
 flake8==4.0.1
 mkdocs-awesome-pages-plugin==2.7.0
-mkdocs-macros-plugin==0.6.4
-mkdocs-material==8.2.6
-mkdocs==1.2.3
+mkdocs-macros-plugin==0.7.0
+mkdocs-material==8.2.8
+mkdocs==1.3.0
 mkdocstrings==0.18.1
 pip-upgrader==1.4.15
 pydocstyle==6.1.1
 pymdown-extensions==9.3
+MarkupSafe==2.1.1