diff --git a/LICENSE-MIT b/LICENSE-MIT
index 31afffd..e1469d6 100644
--- a/LICENSE-MIT
+++ b/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2017 anseki
+Copyright (c) 2018 anseki
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation
diff --git a/lib/encrypt.js b/lib/encrypt.js
index d7dfe89..1a99135 100644
--- a/lib/encrypt.js
+++ b/lib/encrypt.js
@@ -2,7 +2,7 @@
  * readlineSync
  * https://github.com/anseki/readline-sync
  *
- * Copyright (c) 2017 anseki
+ * Copyright (c) 2018 anseki
  * Licensed under the MIT license.
  */
 
diff --git a/lib/read.cs.js b/lib/read.cs.js
index 7f2a5fd..c8694c7 100644
--- a/lib/read.cs.js
+++ b/lib/read.cs.js
@@ -4,7 +4,7 @@
  * readlineSync
  * https://github.com/anseki/readline-sync
  *
- * Copyright (c) 2017 anseki
+ * Copyright (c) 2018 anseki
  * Licensed under the MIT license.
  */
 
diff --git a/lib/read.ps1 b/lib/read.ps1
index fbd119c..7d1a5c9 100644
--- a/lib/read.ps1
+++ b/lib/read.ps1
@@ -1,7 +1,7 @@
 # readlineSync
 # https://github.com/anseki/readline-sync
 #
-# Copyright (c) 2017 anseki
+# Copyright (c) 2018 anseki
 # Licensed under the MIT license.
 
 Param(
diff --git a/lib/read.sh b/lib/read.sh
index e614278..fc6d6e5 100644
--- a/lib/read.sh
+++ b/lib/read.sh
@@ -1,7 +1,7 @@
 # readlineSync
 # https://github.com/anseki/readline-sync
 #
-# Copyright (c) 2017 anseki
+# Copyright (c) 2018 anseki
 # Licensed under the MIT license.
 
 # Use perl for compatibility of sed/awk of GNU / POSIX, BSD. (and tr)
diff --git a/lib/readline-sync.js b/lib/readline-sync.js
index 4b96b8c..3429eef 100644
--- a/lib/readline-sync.js
+++ b/lib/readline-sync.js
@@ -2,7 +2,7 @@
  * readlineSync
  * https://github.com/anseki/readline-sync
  *
- * Copyright (c) 2017 anseki
+ * Copyright (c) 2018 anseki
  * Licensed under the MIT license.
  */
 
diff --git a/package.json b/package.json
index afdb596..da9f1de 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "readline-sync",
-  "version": "1.4.7",
+  "version": "1.4.8",
   "title": "readlineSync",
   "description": "Synchronous Readline for interactively running to have a conversation with the user via a console(TTY).",
   "keywords": [