diff --git a/requirements/documentation.txt b/requirements/documentation.txt
index 40be618..a2280c7 100644
--- a/requirements/documentation.txt
+++ b/requirements/documentation.txt
@@ -4,4 +4,4 @@
 myst-parser[linkify]>=2
 sphinx-autobuild>=2024
 sphinx-copybutton>=0.5,<1
-sphinx-rtd-theme>=2
+sphinx-rtd-theme>=3.1.0