diff --git a/requirements.txt b/requirements.txt
index ebf15b1..6cfaa8b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ jupyter-book
 teachbooks
 sphinx-inline-tabs
 jupyterlite-sphinx
-jupyterbook_patches
+jupyterbook_patches==v1.2.0
 download_link_replacer
 teachbooks-sphinx-grasple
 sphinx-image-inverter
@@ -15,4 +15,4 @@ docutils==0.17.1
 sphinx-exercise
 
 sphinx-proof
-git+https://github.com/TeachBooks/Sphinx-Named-Colors.git
\ No newline at end of file
+git+https://github.com/TeachBooks/Sphinx-Named-Colors.git