diff --git a/src/ctype.c b/src/ctype.c
index 9edd8bfa..ad0e0976 100644
--- a/src/ctype.c
+++ b/src/ctype.c
@@ -1,6 +1,6 @@
 /* ctype-style APIs.
  *
- * Copyright (C) 2012-2016 Reece H. Dunn
+ * Copyright (C) 2012-2017 Reece H. Dunn
  *
  * This file is part of ucd-tools.
  *
diff --git a/src/include/ucd/ucd.h b/src/include/ucd/ucd.h
index b4bff02a..840b2995 100644
--- a/src/include/ucd/ucd.h
+++ b/src/include/ucd/ucd.h
@@ -1,6 +1,6 @@
 /* Unicode Character Database API
  *
- * Copyright (C) 2012-2016 Reece H. Dunn
+ * Copyright (C) 2012-2017 Reece H. Dunn
  *
  * This file is part of ucd-tools.
  *
diff --git a/tools/ucd.py b/tools/ucd.py
index 4d9fe237..e3355407 100755
--- a/tools/ucd.py
+++ b/tools/ucd.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python
 
-# Copyright (C) 2012-2014 Reece H. Dunn
+# Copyright (C) 2012-2017 Reece H. Dunn
 #
 # This file is part of ucd-tools.
 #