diff --git a/pyproject.toml b/pyproject.toml
index e5f32ab..14ac597 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ docs = [
 	# upstream
 	"sphinx >= 3.5",
 	# workaround for sphinx/sphinx-doc#11662
-	"sphinx < 7.2.5",
+	"sphinx < 7.3.8",
 	"jaraco.packaging >= 9.3",
 	"rst.linker >= 1.9",
 	"furo",