diff --git a/pyproject.toml b/pyproject.toml
index 29840cb..a445179 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ documentation = [
     "numpydoc ==1.6.0",
     "sphinx >=5.1.1",
     "sphinx-gallery ==0.15.0",
-    "sphinx-rtd-theme ==2.0.0",
+    "sphinx-rtd-theme ==3.0.2",
     "pydata-sphinx-theme ==0.14.1",
 ]