diff --git a/pyproject.toml b/pyproject.toml
index ea62070e001e815023179b2e5d3db39ee5423b2c..775b4f07706dc3f32558b18e5213eb9ca623eda3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ pyqt6 = "^6.5.1"
 qt-material = "^2.14"
 
 [tool.poetry.dev-dependencies]
-sphinx = "^7.0"
+sphinx = "^8.0.0"
 sphinx-autodoc-typehints = "^1.23"
 pytest = "^7.4"
 flake8 = "^5.0.0"