diff --git a/requirements_doc.txt b/requirements_doc.txt
index d66d9e9..7ffcd3d 100644
--- a/requirements_doc.txt
+++ b/requirements_doc.txt
@@ -1,3 +1,3 @@
 setuptools-git-versioning<2
 Sphinx==6.1.3
-sphinx-rtd-theme==1.2.0rc3
+sphinx-rtd-theme==1.2.0rc4