diff --git a/pyproject.toml b/pyproject.toml
index 64bb12b55..b8b595337 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dynamic = ["version"]
 readme = "README.md"
 requires-python = ">=3.9"
 dependencies = [
-  "sphinx>=5",
+  "sphinx>=6.1",
   "beautifulsoup4",
   "docutils!=0.17.0",
   "Babel",