diff --git a/docs/conf.py b/docs/conf.py
index e8aeade..894c90d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -3,7 +3,12 @@
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ["sphinx.ext.autodoc", "sphinx.ext.viewcode", "sphinx.ext.intersphinx"]
+extensions = [
+    "sphinx.ext.autodoc",
+    "sphinx.ext.viewcode",
+    "sphinx.ext.intersphinx",
+    "sphinx_rtd_theme",
+]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ["_templates"]
@@ -37,7 +42,7 @@
 
 # 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"
 
 # 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 67cb62f..1e0c04d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dev = [
 ]
 docs = [
     "sphinx >=7.2.6, <8.0.0",
-    "sphinx-rtd-theme >=2.0.0, <3.0.0",
+    "sphinx-rtd-theme>=2.0.0,<3.0.0",
     "sphinx-autodoc-typehints >=1.25.2, <2.0.0",
 ]