diff --git a/doc/conf.py b/doc/conf.py
index 11a884a..785df37 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -19,7 +19,7 @@
 extensions = [
     "sphinx_mdinclude",
     "sphinx.ext.autodoc",
-    "sphinx_rtd_theme",
+    "sphinx_nefertiti",
     "autoapi.extension",
 ]
 
@@ -38,7 +38,7 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'sphinx_rtd_theme'
+html_theme = 'sphinx_nefertiti'
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
diff --git a/pyproject.toml b/pyproject.toml
index c6da83a..112fe60 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ tests = [
 docs = [
     "sphinx",
     "sphinx_mdinclude",
-    "sphinx_rtd_theme",
+    "sphinx-nefertiti",
     "sphinx-autoapi",
 ]