diff --git a/COPYRIGHT b/COPYRIGHT
index 2b3a5e6..90d29c7 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,6 +1,6 @@
 Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
 Portions Copyright (c) 2011, Itagaki Takahiro
-Portions Copyright (c) 2012, The Reorg Development Team
+Portions Copyright (c) 2012-2015, The Reorg Development Team
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/Makefile b/Makefile
index 51956e6..2295ffb 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 #
 #  Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
 #  Portions Copyright (c) 2011, Itagaki Takahiro
-#  Portions Copyright (c) 2012, The Reorg Development Team
+#  Portions Copyright (c) 2012-2015, The Reorg Development Team
 #
 
 PG_CONFIG ?= pg_config
diff --git a/bin/Makefile b/bin/Makefile
index aec64c2..48a6506 100644
--- a/bin/Makefile
+++ b/bin/Makefile
@@ -3,7 +3,7 @@
 #
 #  Portions Copyright (c) 2008-2012, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
 #  Portions Copyright (c) 2011, Itagaki Takahiro
-#  Portions Copyright (c) 2012, The Reorg Development Team
+#  Portions Copyright (c) 2012-2015, The Reorg Development Team
 #
 
 PG_CONFIG ?= pg_config
diff --git a/bin/pg_repack.c b/bin/pg_repack.c
index 1d24840..7499a67 100644
--- a/bin/pg_repack.c
+++ b/bin/pg_repack.c
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  */
 
 /**
diff --git a/bin/pgut/pgut-fe.c b/bin/pgut/pgut-fe.c
index 442ab93..fd58258 100644
--- a/bin/pgut/pgut-fe.c
+++ b/bin/pgut/pgut-fe.c
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  *-------------------------------------------------------------------------
  */
 
diff --git a/bin/pgut/pgut-fe.h b/bin/pgut/pgut-fe.h
index 8a0c726..9520ee2 100644
--- a/bin/pgut/pgut-fe.h
+++ b/bin/pgut/pgut-fe.h
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  *-------------------------------------------------------------------------
  */
 
diff --git a/bin/pgut/pgut.c b/bin/pgut/pgut.c
index 0013236..04b8459 100644
--- a/bin/pgut/pgut.c
+++ b/bin/pgut/pgut.c
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  *-------------------------------------------------------------------------
  */
 
diff --git a/bin/pgut/pgut.h b/bin/pgut/pgut.h
index 93d7137..e297242 100644
--- a/bin/pgut/pgut.h
+++ b/bin/pgut/pgut.h
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  *-------------------------------------------------------------------------
  */
 
diff --git a/lib/Makefile b/lib/Makefile
index 2aa872d..56d9b4f 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -3,7 +3,7 @@
 #
 #  Portions Copyright (c) 2008-2012, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
 #  Portions Copyright (c) 2011, Itagaki Takahiro
-#  Portions Copyright (c) 2012, The Reorg Development Team
+#  Portions Copyright (c) 2012-2015, The Reorg Development Team
 #
 
 PG_CONFIG ?= pg_config
diff --git a/lib/pg_repack.sql.in b/lib/pg_repack.sql.in
index 37d7760..23f66dc 100644
--- a/lib/pg_repack.sql.in
+++ b/lib/pg_repack.sql.in
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  */
 
 CREATE SCHEMA repack;
diff --git a/lib/pgut/pgut-be.c b/lib/pgut/pgut-be.c
index 8757534..af7097b 100644
--- a/lib/pgut/pgut-be.c
+++ b/lib/pgut/pgut-be.c
@@ -3,7 +3,7 @@
  * pgut-be.c
  *
  * Copyright (c) 2009-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  *
  *-------------------------------------------------------------------------
  */
diff --git a/lib/pgut/pgut-be.h b/lib/pgut/pgut-be.h
index c0efe46..ad57de7 100644
--- a/lib/pgut/pgut-be.h
+++ b/lib/pgut/pgut-be.h
@@ -3,7 +3,7 @@
  * pgut-be.h
  *
  * Copyright (c) 2009-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  *
  *-------------------------------------------------------------------------
  */
diff --git a/lib/pgut/pgut-spi.c b/lib/pgut/pgut-spi.c
index b988b79..a234b84 100644
--- a/lib/pgut/pgut-spi.c
+++ b/lib/pgut/pgut-spi.c
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  *-------------------------------------------------------------------------
  */
 
diff --git a/lib/pgut/pgut-spi.h b/lib/pgut/pgut-spi.h
index cfe9e9c..4ea0156 100644
--- a/lib/pgut/pgut-spi.h
+++ b/lib/pgut/pgut-spi.h
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  *-------------------------------------------------------------------------
  */
 
diff --git a/lib/repack.c b/lib/repack.c
index 5dcfa7e..0d9861b 100644
--- a/lib/repack.c
+++ b/lib/repack.c
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  */
 
 #include "postgres.h"
diff --git a/lib/uninstall_pg_repack.sql b/lib/uninstall_pg_repack.sql
index 1831b8e..7f5aa49 100644
--- a/lib/uninstall_pg_repack.sql
+++ b/lib/uninstall_pg_repack.sql
@@ -3,7 +3,7 @@
  *
  * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
  * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012, The Reorg Development Team
+ * Portions Copyright (c) 2012-2015, The Reorg Development Team
  */
 
 DROP SCHEMA IF EXISTS repack CASCADE;
diff --git a/regress/Makefile b/regress/Makefile
index 6e1a4ee..f0425ca 100644
--- a/regress/Makefile
+++ b/regress/Makefile
@@ -3,7 +3,7 @@
 #
 #  Portions Copyright (c) 2008-2012, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
 #  Portions Copyright (c) 2011, Itagaki Takahiro
-#  Portions Copyright (c) 2012, The Reorg Development Team
+#  Portions Copyright (c) 2012-2015, The Reorg Development Team
 #
 
 PG_CONFIG ?= pg_config