diff --git a/doc/changelog.d/326.miscellaneous.md b/doc/changelog.d/326.miscellaneous.md
new file mode 100644
index 0000000..687db07
--- /dev/null
+++ b/doc/changelog.d/326.miscellaneous.md
@@ -0,0 +1 @@
+Chore: bump sphinx-autodoc-typehints from 3.1.0 to 3.6.1
diff --git a/pyproject.toml b/pyproject.toml
index 9a33de2..6b732dc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ doc = [
     "ansys-sphinx-theme[autoapi]==1.7.2",
     "numpydoc==1.10.0",
     "Sphinx==8.2.3",
-    "sphinx-autodoc-typehints==3.1.0",
+    "sphinx-autodoc-typehints==3.6.1",
     "sphinx-copybutton==0.5.2",
     "jupyter==1.1.1",
     "sphinx-jinja==2.0.2",