diff --git a/src/exchange/taler-exchange-httpd_keystate.c b/src/exchange/taler-exchange-httpd_keystate.c
index 152d2dad5..c14b85d9b 100644
--- a/src/exchange/taler-exchange-httpd_keystate.c
+++ b/src/exchange/taler-exchange-httpd_keystate.c
@@ -1,6 +1,6 @@
 /*
   This file is part of TALER
-  Copyright (C) 2014--2019 Taler Systems SA
+  Copyright (C) 2014--2020 Taler Systems SA
 
   TALER is free software; you can redistribute it and/or modify it under the
   terms of the GNU Affero General Public License as published by the Free Software
@@ -44,7 +44,7 @@
  * #TALER_PROTOCOL_CURRENT and #TALER_PROTOCOL_AGE in
  * exchange_api_handle.c!
  */
-#define EXCHANGE_PROTOCOL_VERSION "7:0:0"
+#define EXCHANGE_PROTOCOL_VERSION "8:0:0"
 
 
 /**