diff --git a/linkml-schema/reproschema.yaml b/linkml-schema/reproschema.yaml
index 912d981c8..1c63d71d8 100644
--- a/linkml-schema/reproschema.yaml
+++ b/linkml-schema/reproschema.yaml
@@ -213,6 +213,9 @@ slots:
     - range: float
     - range: integer
     slot_uri: schema:maxValue
+  maxLength:
+    slot_uri: schema:maxLength
+    range: integer
   message:
     title: Message
     description: The message to be conditionally displayed for an item.