diff --git a/.gitmodules b/.gitmodules
index 9f34e0d..e2fb864 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "book/external/Sphinx-Image-Inverter"]
 	path = book/external/Sphinx-Image-Inverter
 	url = https://github.com/TeachBooks/Sphinx-Image-Inverter.git
+[submodule "book/external/JupyterBook-Patches"]
+	path = book/external/JupyterBook-Patches
+	url = https://github.com/TeachBooks/JupyterBook-Patches.git
diff --git a/book/_toc.yml b/book/_toc.yml
index 8475d23..74e3105 100644
--- a/book/_toc.yml
+++ b/book/_toc.yml
@@ -48,6 +48,7 @@ parts:
       - file: features/custom_download.md
       - file: external/Nested-Books/README.md
       - file: external/Sphinx-Image-Inverter/README.md
+      - file: external/JupyterBook-Patches/README.md
       - file: features/interactive_element.ipynb
         sections:
         - file: features/grasple.md
diff --git a/book/external/JupyterBook-Patches b/book/external/JupyterBook-Patches
new file mode 160000
index 0000000..3c88310
--- /dev/null
+++ b/book/external/JupyterBook-Patches
@@ -0,0 +1 @@
+Subproject commit 3c88310402d6075ff187c5b7295d30fc412ffe75