diff --git a/setup.py b/setup.py
index fd4a65f..0fcf7ca 100644
--- a/setup.py
+++ b/setup.py
@@ -61,7 +61,7 @@
         "docs": [
             "sphinx==5.3.0",
             "sphinx-argparse==0.4.0",
-            "sphinx_rtd_theme==1.2.0",
+            "sphinx_rtd_theme==3.0.2",
             "sphinx-autodoc-typehints==1.23.0",
             "m2r2==0.3.2",
         ],