diff --git a/schema/containers.schema.json b/schema/containers.schema.json
index 42455ad..9a8779d 100644
--- a/schema/containers.schema.json
+++ b/schema/containers.schema.json
@@ -16,7 +16,7 @@
             "kind": {
               "description": "kind of container contents",
               "type": "string",
-              "enum": ["figure", "table"]
+              "enum": ["figure", "table", "blockquote"]
             },
             "class": {
               "description": "any custom class information",