diff --git a/groups.yml b/groups.yml
index d55016b..e27721c 100644
--- a/groups.yml
+++ b/groups.yml
@@ -327,6 +327,7 @@ dvd:
   # dleuenberger, 20211223
   - libpython3_6m1_0: [locked]
   - libpython3_9-1_0: [locked]
+  - jupyter-jupyter_core-filesystem: [locked]
 
   # DVD a little too big remove fonts (starting with renamed noto cjk fonts) - rbrown, 20210819
   - noto-sans-sc-bold-fonts: [locked]