diff --git a/pyproject.toml b/pyproject.toml
index 4e08a78..50cc260 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ optional = true
 
 [tool.poetry.group.dev.dependencies]
 pre-commit = "^3.8.0"
-sphinx = "^7.2.6"
+sphinx = "^8.0.0"
 sphinx-autoapi = "3.3.1"
 pyright = "1.1.378"
 ruff = "0.6.3"