diff --git a/data/api/client-server/profile.yaml b/data/api/client-server/profile.yaml
index f26f0052..2c34213b 100644
--- a/data/api/client-server/profile.yaml
+++ b/data/api/client-server/profile.yaml
@@ -290,7 +290,7 @@ paths:
                   displayname:
                     type: string
                 additionalProperties:
-                  x-addedInMatrixVersion: "1.14"
+                  x-addedInMatrixVersion: "1.16"
                   description: Any additional profile field value; may be any
                     valid JSON type, with keys following the
                     [Common Namespaced Identifier Grammar](/appendices/#common-namespaced-identifier-grammar).