diff --git a/docs/source/environment.yml b/docs/source/environment.yml
index 5e116279..cbfb31cc 100644
--- a/docs/source/environment.yml
+++ b/docs/source/environment.yml
@@ -9,4 +9,5 @@ dependencies:
       - jupyter_bridge==0.3.5
       - jupyterlite_sphinx~=0.15.0
       - geopandas==0.14.4
+      - myst_nb>1