diff --git a/changelogs/server_server/newsfragments/1930.clarification b/changelogs/server_server/newsfragments/1930.clarification
new file mode 100644
index 000000000..facff83cf
--- /dev/null
+++ b/changelogs/server_server/newsfragments/1930.clarification
@@ -0,0 +1 @@
+Fix required fields in `/_matrix/key/v2/server` response schema.
diff --git a/data/api/server-server/definitions/keys.yaml b/data/api/server-server/definitions/keys.yaml
index efb76f264..748debd89 100644
--- a/data/api/server-server/definitions/keys.yaml
+++ b/data/api/server-server/definitions/keys.yaml
@@ -98,4 +98,4 @@ properties:
       publishes a key which is valid for a significant amount of time without a way
       for the homeserver owner to revoke it.
     example: 1052262000000
-required: ["server_name", "verify_keys"]
+required: ["server_name", "verify_keys", "signatures", "valid_until_ts"]