diff --git a/pyproject.toml b/pyproject.toml
index 472e5634..5682d7c8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dev = [
 doc = [
     "doc8>=0.9,<1.2",
     "furo>=2022.4.7",
-    "sphinx>=4,!=5.1.0,<6.2.1",
+    "sphinx>=4,!=5.1.0,<7.0.1",
     "sphinx-autoapi>=1.8,<2.2",
     "sphinx-issues>=1.2,<3.1",
     "sphinx-autodoc-typehints>1.19,<1.24.0",