diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5b40f1b..f26b34b 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
-Sphinx==3.1.0
+Sphinx==8.1.3
 sphinx-readable-theme==1.3.0
 -e .[cli]