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"