diff --git a/libmudflap/ChangeLog b/libmudflap/ChangeLog
index b2b29d61e0173b30d5c0b12c9f6eea0f50e9caab..1872b2ebc4b67bffdf49ff81ef2f2d364651cdfe 100644
--- a/libmudflap/ChangeLog
+++ b/libmudflap/ChangeLog
@@ -1,3 +1,7 @@
+2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	Update copyright years.
+
 2013-01-03  Jakub Jelinek  <jakub@redhat.com>
 
 	* mf-runtime.c (__mf_usage): Update copyright notice dates.
diff --git a/libmudflap/Makefile.am b/libmudflap/Makefile.am
index 29091dee9ff965fb0f64843f333ca7463450af95..40a70aead9b84da1543ce0326d8b88ba28877d9a 100644
--- a/libmudflap/Makefile.am
+++ b/libmudflap/Makefile.am
@@ -1,7 +1,6 @@
 ## Makefile for the toplevel directory of the mudflap library.
 ##
-## Copyright (C) 2002, 2003, 2004, 2007
-## Free Software Foundation, Inc.
+## Copyright (C) 2002-2013 Free Software Foundation, Inc.
 ##
 
 AUTOMAKE_OPTIONS = 1.8 foreign
diff --git a/libmudflap/mf-heuristics.c b/libmudflap/mf-heuristics.c
index 020a7c29d527aae026147bda403bd0b675f54918..fa2dacb6abd65eaec2221f57f0cbe0a5419558bd 100644
--- a/libmudflap/mf-heuristics.c
+++ b/libmudflap/mf-heuristics.c
@@ -1,5 +1,5 @@
 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2002-2013 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
 
diff --git a/libmudflap/mf-hooks1.c b/libmudflap/mf-hooks1.c
index 7a273218d0f1fb1bf3ad3cddd5637f23c8131070..474c8356577ac11f42db8ca820621c9a44a91d4d 100644
--- a/libmudflap/mf-hooks1.c
+++ b/libmudflap/mf-hooks1.c
@@ -1,5 +1,5 @@
 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003, 2004, 2009, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2002-2013 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
 
diff --git a/libmudflap/mf-hooks2.c b/libmudflap/mf-hooks2.c
index c030e694035bcaa151f9fa205211d01cb0ab8134..4af17df221476467b2f0a8cd2df3913078cb6fa5 100644
--- a/libmudflap/mf-hooks2.c
+++ b/libmudflap/mf-hooks2.c
@@ -1,5 +1,5 @@
 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003, 2004, 2009, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2002-2013 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
 
diff --git a/libmudflap/mf-hooks3.c b/libmudflap/mf-hooks3.c
index 3a26224d7fb69fb20ad94048faeeadf0cb6189d2..552cbb598d842b1608ab2efcd6360c8e43f44576 100644
--- a/libmudflap/mf-hooks3.c
+++ b/libmudflap/mf-hooks3.c
@@ -1,6 +1,5 @@
 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003, 2004, 2005, 2009, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2002-2013 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
 
diff --git a/libmudflap/mf-impl.h b/libmudflap/mf-impl.h
index 53df3d8806ce65faabc60865fe3e1cfa9bf68f32..107ed40f6644c6e111f6446a57eb0a5d60f36d1a 100644
--- a/libmudflap/mf-impl.h
+++ b/libmudflap/mf-impl.h
@@ -1,6 +1,6 @@
 /* Implementation header for mudflap runtime library.
    Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003, 2004, 2009, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2002-2013 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
 
diff --git a/libmudflap/mf-runtime.c b/libmudflap/mf-runtime.c
index 844a7cbc720e242c444bca9bf65c2fba70822f05..96a396ef3199674a09ae1dfd3832a221ff553604 100644
--- a/libmudflap/mf-runtime.c
+++ b/libmudflap/mf-runtime.c
@@ -1,6 +1,5 @@
 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011, 2012,
-   2013 Free Software Foundation, Inc.
+   Copyright (C) 2002-2013 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
    Splay Tree code originally by Mark Mitchell <mark@markmitchell.com>,
diff --git a/libmudflap/mf-runtime.h b/libmudflap/mf-runtime.h
index 4c512d5a690f409d0c056178bbbd599d9ff8c4f2..cea01df098b051424de9dc728905819caacc93bb 100644
--- a/libmudflap/mf-runtime.h
+++ b/libmudflap/mf-runtime.h
@@ -1,6 +1,6 @@
 /* Implementation header for mudflap runtime library.
    Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003, 2004, 2005, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2002-2013 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
 
diff --git a/libmudflap/testsuite/lib/libmudflap.exp b/libmudflap/testsuite/lib/libmudflap.exp
index 00699e87b756a84e76099eeb3502f95b6ae91451..48166e1d0f3f0628f143bcc0d46cb74ad0d753a1 100644
--- a/libmudflap/testsuite/lib/libmudflap.exp
+++ b/libmudflap/testsuite/lib/libmudflap.exp
@@ -1,5 +1,4 @@
-# Copyright (C) 2001, 2002, 2003, 2004, 2009, 2010, 2011
-# Free Software Foundation, Inc.
+# Copyright (C) 2001-2013 Free Software Foundation, Inc.
 
 # 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/libmudflap/testsuite/lib/mfdg.exp b/libmudflap/testsuite/lib/mfdg.exp
index 9e340c0bd15757e373921195363fbaa36051535d..0b9875cd6ec817eaedb987426051c5b18b00cf90 100644
--- a/libmudflap/testsuite/lib/mfdg.exp
+++ b/libmudflap/testsuite/lib/mfdg.exp
@@ -1,5 +1,5 @@
 # `mfdg' - overrides parts of general purpose testcase driver.
-# Copyright (C) 1994 - 2001, 2003, 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
 
 # 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