diff --git a/docs/source/conf.py b/docs/source/conf.py
index 6356823..cb9fd69 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -25,6 +25,7 @@ from pyhamtools.version import __version__, __release__
 extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.napoleon',
+    'sphinx_rtd_dark_mode',
 ]
 
 # Add any paths that contain templates here, relative to this directory.
@@ -95,7 +96,9 @@ pygments_style = 'sphinx'
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+# html_theme = 'default'
+html_theme = 'sphinx_rtd_theme'
+# html_theme = 'sphinx_material'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
diff --git a/readthedocs-pip-requirements.txt b/readthedocs-pip-requirements.txt
index 8bfee76..3a5e4ea 100644
--- a/readthedocs-pip-requirements.txt
+++ b/readthedocs-pip-requirements.txt
@@ -1,3 +1,5 @@
 sphinx>=1.8.5
 sphinxcontrib-napoleon>=0.7
-beautifulsoup4>=4.7.1
\ No newline at end of file
+beautifulsoup4>=4.7.1
+sphinx_rtd_theme>=0.5.2
+sphinx_rtd_dark_mode>=0.1.2
\ No newline at end of file