diff --git a/pyproject.toml b/pyproject.toml
index d9715abe..28d7e9c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -258,7 +258,7 @@ docs = [
     # TODO(mmschlk): remove the pin in ipython when we drop python 3.10 support and pin to
     # ipython>=9.0.0, since ipython==8.7.0 introduces a bug with parsing notebooks also discussed
     # here: https://github.com/spatialaudio/nbsphinx/issues/24
-    "ipython<8.38.0",           # for code execution in notebooks
+    "ipython<8.39.0",           # for code execution in notebooks
 ]
 dev = [
     "notebook>=7.3.3",