diff --git a/doc/requirements.txt b/doc/requirements.txt
index d2f5c5a..48319f0 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,2 +1,2 @@
-sphinx~=7.2
+sphinx~=8.0
 sphinx-rtd-theme~=3.0.0