diff --git a/pyproject.toml b/pyproject.toml
index 603b402..1798b65 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ black = { optional = true, version = "*" }
 pytest-cov = { optional = true, version = "*" }
 sphinx = { optional = true, version = "<8" }                         # see issue at https://github.com/readthedocs/readthedocs.org/issues/10279
 nbsphinx = { optional = true, version = "<=0.9.5" }
-sphinx-autodoc-typehints = { optional = true, version = "<=1.23.0" }
+sphinx-autodoc-typehints = { optional = true, version = "<=2.3.0" }
 sphinx_rtd_theme = { optional = true, version = "<=3.0.2" }
 readthedocs-sphinx-ext = { optional = true, version = "<=2.2.5" }
 recommonmark = { optional = true, version = "<=0.7.1" }