diff --git a/schema/2.0/cyclonedx-2.0.schema.json b/schema/2.0/cyclonedx-2.0.schema.json
index 8e757386..917751b8 100644
--- a/schema/2.0/cyclonedx-2.0.schema.json
+++ b/schema/2.0/cyclonedx-2.0.schema.json
@@ -19,9 +19,7 @@
       "type": "string",
       "title": "Specification Format",
       "description": "Specifies the format. This value shall be \"CycloneDX\".",
-      "enum": [
-        "CycloneDX"
-      ]
+      "const": "CycloneDX"
     },
     "specVersion": {
       "type": "string",