diff --git a/build/venv-test-ipywidgets8-requirements.txt b/build/venv-test-ipywidgets8-requirements.txt
index 11412a5fa..f6b6d4ca0 100644
--- a/build/venv-test-ipywidgets8-requirements.txt
+++ b/build/venv-test-ipywidgets8-requirements.txt
@@ -17,7 +17,7 @@ tornado>=6.5.10
 anyio>=4.4.0
 requests>=2.34.2
 fonttools>=4.66.0
-jupyter-server>=2.21.0
+jupyter-server>=2.21.1
 jupyter-core>=5.9.1
 ipython>=9.17.1
 urllib3>=2.8.0