diff --git a/.github/workflows/run_tests_develop.yml b/.github/workflows/run_tests_develop.yml
index cbe5ea65..147a0a37 100644
--- a/.github/workflows/run_tests_develop.yml
+++ b/.github/workflows/run_tests_develop.yml
@@ -180,6 +180,7 @@ jobs:
         uses: e2nIEE/sphinx-action@master
         with:
           pre-build-command: "apt-get update -y && apt-get install -y git;
+                              apt install build-essential;
                               git --version;
                               python -m pip install --upgrade pip;
                               python -m pip install .[docs];"
diff --git a/pyproject.toml b/pyproject.toml
index 2b35bb05..500fc2d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ Download = "https://pypi.org/project/pandapipes/#files"
 Changelog = "https://github.com/e2nIEE/pandapipes/blob/develop/CHANGELOG.rst"
 
 [project.optional-dependencies]
-docs = ["numpydoc", "sphinx", "sphinx_rtd_theme", "sphinxcontrib.bibtex", "sphinx-pyproject", "meson", "ninja"]
+docs = ["numpydoc", "sphinx", "sphinx_rtd_theme", "sphinxcontrib.bibtex", "sphinx-pyproject"]
 plotting = ["plotly", "igraph"]
 test = [
     "pytest", "pytest-xdist", "pytest-split", "nbmake", "numba",