diff --git a/book/features/live_code.ipynb b/book/features/live_code.ipynb
index 44c153d..1d9aa0c 100644
--- a/book/features/live_code.ipynb
+++ b/book/features/live_code.ipynb
@@ -173,6 +173,10 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
+    "## Exercises and examples with executable code\n",
+    "\n",
+    "To include executable code in your book inside exercises and/or examples, you can use the Sphinx extension [Sphinx-Exercises](https://ebp-sphinx-exercise.readthedocs.io/en/latest/syntax.html#alternative-gated-syntax) and/or the Sphinx extension {ref}`Sphinx-Code-Examples <sphinx-code-examples-gated>`.\n",
+    "\n",
     "## Alternative with JupyterLite (less well integrated)\n",
     "\n",
     "Another option to use python in your browser is to use [JupyterLite](https://jupyterlite.readthedocs.io/en/stable/). However, compared to Sphinx-Thebe, described above, this doesn't give a similar seamless interface within your page. Nevertheless, depending on your application, JupyterLite could be a useful tool, especially as it allows for three IDE types: Jupyter Notebook, Jupyter Lab and the iPython REPL.\n",
@@ -181,7 +185,7 @@
     "\n",
     "```{tip}\n",
     "The TeachBooks Team has focused primarily on the use of Sphinx-Thebe and has not looked at JupyterLite over the last couple years. If you have an interesting application of this tool for teaching, please get in touch, we would love to see it! You can use [GitHub Discussions](https://github.com/orgs/TeachBooks/discussions) or sent us an email at [info@teachbooks.io](mailto:info@teachbooks.io).\n",
-    "```"
+    "```\n"
    ]
   }
  ],
diff --git a/requirements.txt b/requirements.txt
index e40890d..a87b25b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,9 +10,8 @@ sphinx-named-colors == 1.0.1
 sphinx-iframes == 1.0.5
 sphinx-prime-applets == 1.0.2
 sphinx-dropdown-toggle == 1.0.0
+sphinx-code-examples == 1.0.1
 
 git+https://github.com/TeachBooks/Sphinx-Thebe
 
-docutils==0.17.1
-
-git+https://github.com/TeachBooks/Sphinx-Code-Examples
\ No newline at end of file
+docutils==0.17.1
\ No newline at end of file