diff --git a/src/exchange/taler-exchange-httpd_config.h b/src/exchange/taler-exchange-httpd_config.h
index 95380e0a8..596765b27 100644
--- a/src/exchange/taler-exchange-httpd_config.h
+++ b/src/exchange/taler-exchange-httpd_config.h
@@ -41,7 +41,7 @@
  *
  * Returned via both /config and /keys endpoints.
  */
-#define EXCHANGE_PROTOCOL_VERSION "15:0:0"
+#define EXCHANGE_PROTOCOL_VERSION "16:0:1"
 
 
 /**
diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c
index e409ee471..0ad2f7a34 100644
--- a/src/lib/exchange_api_handle.c
+++ b/src/lib/exchange_api_handle.c
@@ -40,7 +40,7 @@
  * Which version of the Taler protocol is implemented
  * by this library?  Used to determine compatibility.
  */
-#define EXCHANGE_PROTOCOL_CURRENT 15
+#define EXCHANGE_PROTOCOL_CURRENT 16
 
 /**
  * How many versions are we backwards compatible with?