diff --git a/doc/requirements.txt b/doc/requirements.txt
index 70d0e5f2..3821f846 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,3 +1,3 @@
-sphinx==2.4.4
+sphinx==8.1.3
 sphinx-autodoc-typehints>=1.10.3
 PyQt5>=5.9.0