diff --git a/src/api/disease-gene/content-types/disease-gene/schema.json b/src/api/disease-gene/content-types/disease-gene/schema.json
index 3896e58..c738d8d 100644
--- a/src/api/disease-gene/content-types/disease-gene/schema.json
+++ b/src/api/disease-gene/content-types/disease-gene/schema.json
@@ -43,7 +43,9 @@
         "moderate",
         "strong",
         "definitive",
-        "unspecified"
+        "unspecified",
+        "refuted",
+        "disputed"
       ],
       "default": "unspecified"
     },