diff --git a/docs/conf.py b/docs/conf.py
index 8bb5770..fc690dd 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -98,7 +98,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+html_theme = 'sphinx_rtd_theme'
 
 # 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/docs/requirements.txt b/docs/requirements.txt
index d01b7e9..2c719a2 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -4,3 +4,4 @@
 # https://github.com/readthedocs/readthedocs.org/issues/8252
 docutils<0.17
 Sphinx>=4.3.0
+sphinx_rtd_theme>=1.3.0
\ No newline at end of file