diff --git a/PokemonGoIV/0Main.vb b/PokemonGoIV/0Main.vb
index 5c1e717..ad56ebf 100644
--- a/PokemonGoIV/0Main.vb
+++ b/PokemonGoIV/0Main.vb
@@ -1,4 +1,4 @@
-' Copyright (c) 2016 imacat.
+' Copyright (c) 2016-2017 imacat.
 ' 
 ' Licensed under the Apache License, Version 2.0 (the "License");
 ' you may not use this file except in compliance with the License.
diff --git a/PokemonGoIV/1Data.vb b/PokemonGoIV/1Data.vb
index 2bd349f..eb4ec37 100644
--- a/PokemonGoIV/1Data.vb
+++ b/PokemonGoIV/1Data.vb
@@ -1,4 +1,4 @@
-' Copyright (c) 2016 imacat.
+' Copyright (c) 2016-2017 imacat.
 ' 
 ' Licensed under the Apache License, Version 2.0 (the "License");
 ' you may not use this file except in compliance with the License.
diff --git a/PokemonGoIV/9Load.vb b/PokemonGoIV/9Load.vb
index 72ad364..cb0c6b7 100644
--- a/PokemonGoIV/9Load.vb
+++ b/PokemonGoIV/9Load.vb
@@ -1,4 +1,4 @@
-' Copyright (c) 2016 imacat.
+' Copyright (c) 2016-2017 imacat.
 ' 
 ' Licensed under the Apache License, Version 2.0 (the "License");
 ' you may not use this file except in compliance with the License.
@@ -23,7 +23,7 @@ Sub subReadDataSheets
 	Dim sOutput as String, mData As Variant
 	
 	sOutput = "" _
-		& "' Copyright (c) 2016 imacat." & Chr (10) _
+		& "' Copyright (c) 2016-" & Year (Now) & " imacat." & Chr (10) _
 		& "' " & Chr (10) _
 		& "' Licensed under the Apache License, Version 2.0 (the ""License"");" & Chr (10) _
 		& "' you may not use this file except in compliance with the License." & Chr (10) _
diff --git a/README b/README
index 850cb24..a2c2455 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 pokemongoiv - The Pokémon GO IV calculator
 
-  Copyright (c) 2016 imacat.
+  Copyright (c) 2016-2017 imacat.
   
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
diff --git a/oxt/AddonConfiguration.xcu b/oxt/AddonConfiguration.xcu
index 0beb695..fab0945 100644
--- a/oxt/AddonConfiguration.xcu
+++ b/oxt/AddonConfiguration.xcu
@@ -25,8 +25,8 @@
 			<value>imacat@mail.imacat.idv.tw</value>
 		</prop>
 		<prop oor:name="Copyright" oor:type="xs:string" oor:localized="true">
-			<value>Copyright &#169; 2016 imacat</value>
-			<value xml:lang="zh-TW">版權所有 &#169; 2016 依瑪貓</value>
+			<value>Copyright &#169; 2016-2017 imacat</value>
+			<value xml:lang="zh-TW">版權所有 &#169; 2016-2017 依瑪貓</value>
 		</prop>
 		<node oor:name="Contributors"/>
 		<node oor:name="Translators"/>
diff --git a/oxt/PokemonGoIV/0Main.xba b/oxt/PokemonGoIV/0Main.xba
index 6376074..ee3189a 100644
--- a/oxt/PokemonGoIV/0Main.xba
+++ b/oxt/PokemonGoIV/0Main.xba
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE script:module PUBLIC "-//OpenOffice.org//DTD OfficeDocument 1.0//EN" "module.dtd">
-<script:module xmlns:script="http://openoffice.org/2000/script" script:name="0Main" script:language="StarBasic">&apos; Copyright (c) 2016 imacat.
+<script:module xmlns:script="http://openoffice.org/2000/script" script:name="0Main" script:language="StarBasic">&apos; Copyright (c) 2016-2017 imacat.
 &apos; 
 &apos; Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
 &apos; you may not use this file except in compliance with the License.
diff --git a/oxt/PokemonGoIV/1Data.xba b/oxt/PokemonGoIV/1Data.xba
index 464af50..8cd76b8 100644
--- a/oxt/PokemonGoIV/1Data.xba
+++ b/oxt/PokemonGoIV/1Data.xba
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE script:module PUBLIC "-//OpenOffice.org//DTD OfficeDocument 1.0//EN" "module.dtd">
-<script:module xmlns:script="http://openoffice.org/2000/script" script:name="1Data" script:language="StarBasic">&apos; Copyright (c) 2016 imacat.
+<script:module xmlns:script="http://openoffice.org/2000/script" script:name="1Data" script:language="StarBasic">&apos; Copyright (c) 2016-2017 imacat.
 &apos; 
 &apos; Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
 &apos; you may not use this file except in compliance with the License.
diff --git a/oxt/PokemonGoIV/9Load.xba b/oxt/PokemonGoIV/9Load.xba
index f2e8ce9..fc60d53 100644
--- a/oxt/PokemonGoIV/9Load.xba
+++ b/oxt/PokemonGoIV/9Load.xba
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE script:module PUBLIC "-//OpenOffice.org//DTD OfficeDocument 1.0//EN" "module.dtd">
-<script:module xmlns:script="http://openoffice.org/2000/script" script:name="9Load" script:language="StarBasic">&apos; Copyright (c) 2016 imacat.
+<script:module xmlns:script="http://openoffice.org/2000/script" script:name="9Load" script:language="StarBasic">&apos; Copyright (c) 2016-2017 imacat.
 &apos; 
 &apos; Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
 &apos; you may not use this file except in compliance with the License.
@@ -25,7 +25,7 @@ Sub subReadDataSheets
 	Dim sOutput as String, mData As Variant
 	
 	sOutput = &quot;&quot; _
-		&amp; &quot;&apos; Copyright (c) 2016 imacat.&quot; &amp; Chr (10) _
+		&amp; &quot;&apos; Copyright (c) 2016-&quot; &amp; Year (Now) &amp; &quot; imacat.&quot; &amp; Chr (10) _
 		&amp; &quot;&apos; &quot; &amp; Chr (10) _
 		&amp; &quot;&apos; Licensed under the Apache License, Version 2.0 (the &quot;&quot;License&quot;&quot;);&quot; &amp; Chr (10) _
 		&amp; &quot;&apos; you may not use this file except in compliance with the License.&quot; &amp; Chr (10) _
diff --git a/oxt/pkg-desc/pkg-description.txt b/oxt/pkg-desc/pkg-description.txt
index 03b69c3..4a97d56 100644
--- a/oxt/pkg-desc/pkg-description.txt
+++ b/oxt/pkg-desc/pkg-description.txt
@@ -1,4 +1,4 @@
 PokemonGoIV - Pokémon GO IV Calculator
-Copyright (c) 2016 imacat 
+Copyright (c) 2016-2017 imacat 
 
 Calculates the individual values (IVs) of the Pokémon.
diff --git a/oxt/pkg-desc/pkg-description.zh-TW.txt b/oxt/pkg-desc/pkg-description.zh-TW.txt
index 8dc735a..65862ea 100644
--- a/oxt/pkg-desc/pkg-description.zh-TW.txt
+++ b/oxt/pkg-desc/pkg-description.zh-TW.txt
@@ -1,4 +1,4 @@
 PokemonGoIV - 寶可夢 GO IV 計算機
-版權所有 (c) 2016 依瑪貓
+版權所有 (c) 2016-2017 依瑪貓
 
 計算寶可夢的 IV 值。