diff --git a/src/setup.py b/src/setup.py
index c6267cf..3a407f0 100644
--- a/src/setup.py
+++ b/src/setup.py
@@ -57,7 +57,7 @@
             "nbsphinx==0.8.1",
             "nbstripout==0.3.3",
             "recommonmark==0.7.1",
-            "sphinx-autodoc-typehints==1.11.1",
+            "sphinx-autodoc-typehints==1.21.8",
             "sphinx_copybutton==0.3.1",
             "ipykernel~=5.3",
         ]