diff --git a/pyproject.toml b/pyproject.toml
index 6a2136c..77b7b92 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
     "packaging",
     "rich",
     "ruff",
-    "sphinx==7.2.6",
+    "sphinx>=7.2.6,<8.1",
     "sphinx-autoapi",
     "sphinx-copybutton",
     "sphinx-design",