diff --git a/core/LICENSE.TXT b/core/LICENSE.TXT
index ced6952bc..31fc84333 100644
--- a/core/LICENSE.TXT
+++ b/core/LICENSE.TXT
@@ -1,6 +1,6 @@
 OpenRocket - A model rocket simulator
 
-Copyright (C) 2007-2012 Sampo Niskanen and others
+Copyright (C) 2007-2013 Sampo Niskanen and others
 
 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
diff --git a/core/README.TXT b/core/README.TXT
index 1498a5964..073eb9fea 100644
--- a/core/README.TXT
+++ b/core/README.TXT
@@ -2,7 +2,7 @@
 OpenRocket - an Open Source model rocket simulator
 --------------------------------------------------
 
-Copyright (C) 2007-2012  Sampo Niskanen and others
+Copyright (C) 2007-2013  Sampo Niskanen and others
 
 
 For license information see the file LICENSE.TXT.
diff --git a/core/src/net/sf/openrocket/gui/dialogs/AboutDialog.java b/core/src/net/sf/openrocket/gui/dialogs/AboutDialog.java
index 5b7d6cc93..12e99f10d 100644
--- a/core/src/net/sf/openrocket/gui/dialogs/AboutDialog.java
+++ b/core/src/net/sf/openrocket/gui/dialogs/AboutDialog.java
@@ -69,7 +69,7 @@ public class AboutDialog extends JDialog {
 		
 		sub.add(new StyledLabel("OpenRocket", 20), "ax 50%, growy, wrap para");
 		sub.add(new StyledLabel(trans.get("lbl.version").trim() + " " + version, 3), "ax 50%, growy, wrap rel");
-		sub.add(new StyledLabel("Copyright " + Chars.COPY + " 2007-2012 Sampo Niskanen and others"), "ax 50%, growy, wrap para");
+		sub.add(new StyledLabel("Copyright " + Chars.COPY + " 2007-2013 Sampo Niskanen and others"), "ax 50%, growy, wrap para");
 		
 		sub.add(new URLLabel(OPENROCKET_URL), "ax 50%, growy, wrap para");
 		panel.add(sub, "grow");