diff --git a/pyproject.toml b/pyproject.toml
index 56ad2788..565d97ec 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ types-requests = "^2.28.11.12"
 types-setuptools = "^69.0.0.0"
 
 [tool.poetry.group.docs.dependencies]
-Sphinx = "^7.0.0"
+Sphinx = "^8.0.0"
 m2r2 = "^0.3"
 sphinx-rtd-theme = "^2.0.0"
 sphinxcontrib-httpdomain = "^1.8"