diff --git a/pyproject.toml b/pyproject.toml
index 718072f..6fb7c94 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ doc = [
     "pydata-sphinx-theme==0.16.0",
     "numpydoc==1.8.0",
     "Sphinx==8.1.3",
-    "sphinx-autoapi==3.3.3",
+    "sphinx-autoapi==3.4.0",
     "Sphinx-copybutton==0.5.2",
 ]