diff --git a/.github/workflows/create_documentation.yml b/.github/workflows/create_documentation.yml
index cf7c5fdd2..4f07abdbd 100644
--- a/.github/workflows/create_documentation.yml
+++ b/.github/workflows/create_documentation.yml
@@ -30,7 +30,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install libmuparser-dev libhdf5-serial-dev libomp5 libomp-dev libfftw3-dev libcfitsio-dev lcov doxygen graphviz
           pip install -r doc/pages/example_notebooks/requirements.txt # load requrements for notebooks
-          pip install sphinx sphinx_rtd_theme m2r2
+          pip install sphinx sphinx_rtd_theme m2r2 nbsphinx
       - name: Set up the build
         env:
           CXX: ${{ matrix.config.cxx }}