diff --git a/pages/compiling/compilation-reqs.rst b/pages/compiling/compilation-reqs.rst
index 7e6896a2..5fa91b2e 100644
--- a/pages/compiling/compilation-reqs.rst
+++ b/pages/compiling/compilation-reqs.rst
@@ -134,12 +134,12 @@ Conda Requirements
      - ipython  # optional (needed for nicer interactive command line)
      # - jupyter  # optional (needed for Jupyter Notebook)
      # - sphinx  # optional (needed for documentation)
+     # - pydata-sphinx-theme  # optional (needed for documentation)
      # - sphinx-argparse  # optional (needed for documentation)
      # - doxygen  # optional (needed for documentation)
      # - graphviz  # optional (needed for documentation)
      # - pip:  # optional (list of PyPI managed packages)
      #   - sphinxcontrib-matlabdomain  # optional (needed for documentation)
-     #   - sphinxcontrib-katex  # optional (needed for documentation)
      #   - sphinxcontrib-doxylink  # optional (needed for documentation)
 
   The environment is then created and activated using
diff --git a/pages/compiling/dependencies.rst b/pages/compiling/dependencies.rst
index b97d1723..f81ddd92 100644
--- a/pages/compiling/dependencies.rst
+++ b/pages/compiling/dependencies.rst
@@ -175,12 +175,12 @@ Optional Dependencies
 * Packages required for building Sphinx documentation
 
   * `Sphinx <http://www.sphinx-doc.org/en/stable/>`__
+  * `PyData Sphinx theme <https://pydata-sphinx-theme.readthedocs.io/en/stable/>`__
   * `Pygments <http://pygments.org/>`__
   * `pyparsing <https://sourceforge.net/projects/pyparsing/>`__
   * `sphinx-argparse <https://sphinx-argparse.readthedocs.io/en/latest/>`__
   * `doxylink <https://pythonhosted.org/sphinxcontrib-doxylink/>`__
   * `matlabdomain <https://pypi.org/project/sphinxcontrib-matlabdomain>`__
-  * `katex <https://github.com/hagenw/sphinxcontrib-katex/>`__
 
 * `Doxygen <http://doxygen.nl/>`__