diff --git a/src/Concept.js b/src/Concept.js
index cd47349d..495c02d9 100644
--- a/src/Concept.js
+++ b/src/Concept.js
@@ -168,9 +168,11 @@ export default class Concept extends BaseEntity {
         GroupAffiliation: "GroupAffiliation",
         QuestionGroup: "QuestionGroup",
         File: "File",
+        Signature: "Signature",
         Encounter: "Encounter",
+        QR: "QR",
         get Media() {
-            return [this.Image, this.ImageV2, this.Video, this.Audio, this.File];
+            return [this.Image, this.ImageV2, this.Video, this.Audio, this.File, this.Signature];
         },
     };