diff --git a/requirements.txt b/requirements.txt
index 0c6a479..955cca0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx<7.0.0
+Sphinx<9.0.0
 docutils
 sphinxcontrib-issuetracker
 sphinx-autodoc-typehints