Update some copyright years.
diff --git a/Makefile.in b/Makefile.in
index f0b41f0..c61aa30 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,5 +1,5 @@
# Makefile for zlib
-# Copyright (C) 1995-2012 Jean-loup Gailly, Mark Adler
+# Copyright (C) 1995-2013 Jean-loup Gailly, Mark Adler
# For conditions of distribution and use, see copyright notice in zlib.h
# To compile and test, type:
diff --git a/win32/zlib1.rc b/win32/zlib1.rc
index 13c6221..5c0feed 100644
--- a/win32/zlib1.rc
+++ b/win32/zlib1.rc
@@ -26,7 +26,7 @@
VALUE "FileDescription", "zlib data compression library\0"
VALUE "FileVersion", ZLIB_VERSION "\0"
VALUE "InternalName", "zlib1.dll\0"
- VALUE "LegalCopyright", "(C) 1995-2012 Jean-loup Gailly & Mark Adler\0"
+ VALUE "LegalCopyright", "(C) 1995-2013 Jean-loup Gailly & Mark Adler\0"
VALUE "OriginalFilename", "zlib1.dll\0"
VALUE "ProductName", "zlib\0"
VALUE "ProductVersion", ZLIB_VERSION "\0"