diff --git a/curriculum/challenges/_meta/lecture-working-with-links/meta.json b/curriculum/challenges/_meta/lecture-working-with-links/meta.json
index 9745ef5fe7c..d2ed09d85c1 100644
--- a/curriculum/challenges/_meta/lecture-working-with-links/meta.json
+++ b/curriculum/challenges/_meta/lecture-working-with-links/meta.json
@@ -1,6 +1,7 @@
 {
   "name": "Working with Links",
   "blockType": "lecture",
+  "blockLayout": "challenge-list",
   "isUpcomingChange": true,
   "dashedName": "lecture-working-with-links",
   "order": 8,
diff --git a/curriculum/challenges/_meta/lecture-working-with-media/meta.json b/curriculum/challenges/_meta/lecture-working-with-media/meta.json
index 16009c1402f..0c13933eb11 100644
--- a/curriculum/challenges/_meta/lecture-working-with-media/meta.json
+++ b/curriculum/challenges/_meta/lecture-working-with-media/meta.json
@@ -1,6 +1,7 @@
 {
   "name": "Working with Media",
   "blockType": "lecture",
+  "blockLayout": "challenge-list",
   "isUpcomingChange": true,
   "dashedName": "lecture-working-with-media",
   "order": 6,
diff --git a/curriculum/challenges/_meta/workshop-flappy-penguin/meta.json b/curriculum/challenges/_meta/workshop-flappy-penguin/meta.json
index 50f5a26659a..1d02863426b 100644
--- a/curriculum/challenges/_meta/workshop-flappy-penguin/meta.json
+++ b/curriculum/challenges/_meta/workshop-flappy-penguin/meta.json
@@ -1,6 +1,7 @@
 {
   "name": "Build a Flappy Penguin",
   "blockType": "workshop",
+  "blockLayout": "challenge-grid",
   "isUpcomingChange": true,
   "usesMultifileEditor": true,
   "hasEditableBoundaries": true,
diff --git a/curriculum/schema/__snapshots__/challenge-schema.test.js.snap b/curriculum/schema/__snapshots__/challenge-schema.test.js.snap
index 804589b8548..a82d9cbe9ef 100644
--- a/curriculum/schema/__snapshots__/challenge-schema.test.js.snap
+++ b/curriculum/schema/__snapshots__/challenge-schema.test.js.snap
@@ -141,7 +141,7 @@ const schema = Joi.object()
         'project-list',
         'legacy-challenge-list',
         'legacy-link'
-      )
+      ).required()
     }),
     challengeOrder: Joi.number(),
     certification: Joi.string().regex(slugWithSlashRE),
diff --git a/curriculum/schema/challenge-schema.js b/curriculum/schema/challenge-schema.js
index a3fe4034923..4815b593864 100644
--- a/curriculum/schema/challenge-schema.js
+++ b/curriculum/schema/challenge-schema.js
@@ -138,7 +138,7 @@ const schema = Joi.object()
         'project-list',
         'legacy-challenge-list',
         'legacy-link'
-      )
+      ).required()
     }),
     challengeOrder: Joi.number(),
     certification: Joi.string().regex(slugWithSlashRE),