diff --git a/miniupnpc/upnpc.c b/miniupnpc/upnpc.c
index 4325658..cb7f18b 100644
--- a/miniupnpc/upnpc.c
+++ b/miniupnpc/upnpc.c
@@ -1,7 +1,7 @@
 /* $Id: upnpc.c,v 1.119 2018/03/13 23:34:46 nanard Exp $ */
 /* Project : miniupnp
  * Author : Thomas Bernard
- * Copyright (c) 2005-2019 Thomas Bernard
+ * Copyright (c) 2005-2020 Thomas Bernard
  * This software is subject to the conditions detailed in the
  * LICENCE file provided in this distribution. */
 
@@ -580,7 +580,7 @@ int main(int argc, char ** argv)
 	}
 #endif
     printf("upnpc : miniupnpc library test client, version %s.\n", MINIUPNPC_VERSION_STRING);
-	printf(" (c) 2005-2019 Thomas Bernard.\n");
+	printf(" (c) 2005-2020 Thomas Bernard.\n");
     printf("Go to http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/\n"
 	       "for more information.\n");
 	/* command line processing */