diff --git a/buildsys.mk.in b/buildsys.mk.in
index def7de9..ce24b5d 100644
--- a/buildsys.mk.in
+++ b/buildsys.mk.in
@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2007, 2008, 2009, 2010, 2011
+#  Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012
 #  Jonathan Schleifer <js@webkeks.org>
 #
 #  https://webkeks.org/hg/buildsys/
diff --git a/m4/buildsys.m4 b/m4/buildsys.m4
index e2040ec..f1581b7 100644
--- a/m4/buildsys.m4
+++ b/m4/buildsys.m4
@@ -1,5 +1,6 @@
 dnl
-dnl Copyright (c) 2007 - 2009, Jonathan Schleifer <js@webkeks.org>
+dnl Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012
+dnl Jonathan Schleifer <js@webkeks.org>
 dnl
 dnl https://webkeks.org/hg/buildsys/
 dnl