diff --git a/libswresample/dither.c b/libswresample/dither.c
index bc6c02de75..f43d8911df 100644
--- a/libswresample/dither.c
+++ b/libswresample/dither.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Michael Niedermayer (michaelni@gmx.at)
+ * Copyright (C) 2012-2013 Michael Niedermayer (michaelni@gmx.at)
  *
  * This file is part of libswresample
  *
diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index 43609f17cf..f11bbd715c 100644
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at)
+ * Copyright (C) 2011-2013 Michael Niedermayer (michaelni@gmx.at)
  *
  * This file is part of libswresample
  *
diff --git a/libswresample/swresample.h b/libswresample/swresample.h
index 30d3e05697..95e8a5a093 100644
--- a/libswresample/swresample.h
+++ b/libswresample/swresample.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at)
+ * Copyright (C) 2011-2013 Michael Niedermayer (michaelni@gmx.at)
  *
  * This file is part of libswresample
  *
diff --git a/libswresample/swresample_internal.h b/libswresample/swresample_internal.h
index ffbd4d0e7f..986eecc7f9 100644
--- a/libswresample/swresample_internal.h
+++ b/libswresample/swresample_internal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at)
+ * Copyright (C) 2011-2013 Michael Niedermayer (michaelni@gmx.at)
  *
  * This file is part of libswresample
  *