diff --git a/setup.cfg b/setup.cfg
index 9ab919c..6b98e86 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -68,4 +68,4 @@ dev =
 doc =
     autoapi~=2.0.1
     sphinx-autodoc-typehints~=2.5.0
-    sphinx-rtd-theme~=2.0.0
+    sphinx-rtd-theme~=3.0.2