diff --git a/about b/about
index 2fcd49033..63f77f509 100644
--- a/about
+++ b/about
@@ -1,3 +1,3 @@
 A tool for converting, modifying and workig with dictionary files aka glossaries, with various formats used by different dictionary applications
-Copyleft © 2008-2015 Saeed Rasooli
+Copyleft © 2008-2018 Saeed Rasooli
 PyGlossary is licensed by the GNU General Public License version 3 (or later)
diff --git a/license-dialog b/license-dialog
index 7b82a1b67..0f258438f 100644
--- a/license-dialog
+++ b/license-dialog
@@ -1,5 +1,5 @@
 PyGlossary - A tool for workig with dictionary databases
-Copyright © 2008-2012 Saeed Rasooli
+Copyright © 2008-2018 Saeed Rasooli
 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License,  or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.