diff --git a/content/anywidget.ipynb b/content/anywidget.ipynb
index 8a4fedf..bdc54cf 100644
--- a/content/anywidget.ipynb
+++ b/content/anywidget.ipynb
@@ -41,7 +41,7 @@
       },
       "outputs": [],
       "source": [
-        "%pip install anywidget"
+        "%pip install anywidget ipywidgets==8.1.2"
       ]
     },
     {
diff --git a/requirements.txt b/requirements.txt
index e3d5b0a..091ecc6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 anywidget
+jupyterlab-widgets==3.0.10
 jupyterlab~=4.1.8
 jupyterlite-core==0.3.0
 jupyterlite-pyodide-kernel==0.3.1