diff --git a/schema/config-2.0.json b/schema/config-2.0.json
index c20f0a3f46..54b226711a 100644
--- a/schema/config-2.0.json
+++ b/schema/config-2.0.json
@@ -23,6 +23,9 @@
         "roots": {
             "type": "object"
         },
+        "imageio": {
+            "type": "object"
+        },
         "tasks": {
             "type": "object",
             "items": {