diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 14c276cf..4aa8c4fe 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -4,6 +4,10 @@ build:
   tools:
     python: "3.12"
 
+python:
+  install:
+    - requirements: docs/requirements.txt
+
 sphinx:
   configuration: docs/conf.py
 
diff --git a/docs/conf.py b/docs/conf.py
index 541e348e..dab6a75e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -84,7 +84,7 @@
 # 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
new file mode 100644
index 00000000..82133027
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,2 @@
+sphinx
+sphinx_rtd_theme