diff --git a/Source/Installer/en.lproj/InfoPlist.strings b/Source/Installer/en.lproj/InfoPlist.strings
index 6099b19e..0dfbb121 100644
--- a/Source/Installer/en.lproj/InfoPlist.strings
+++ b/Source/Installer/en.lproj/InfoPlist.strings
@@ -1,4 +1,4 @@
 /* Localized versions of Info.plist keys */
 
 CFBundleName = "Install McBopomofo";
-NSHumanReadableCopyright = "Copyright © 2011-2018 Mengjuei Hsieh et al.\nAll Rights Reserved.";
+NSHumanReadableCopyright = "Copyright © 2011-2020 Mengjuei Hsieh et al.\nAll Rights Reserved.";
diff --git a/Source/Installer/en.lproj/License.rtf b/Source/Installer/en.lproj/License.rtf
index 5ced4905..c348375f 100644
--- a/Source/Installer/en.lproj/License.rtf
+++ b/Source/Installer/en.lproj/License.rtf
@@ -8,7 +8,7 @@
 \f0\b\fs36 \cf0 McBopomofo License Agreement
 \f1\b0\fs24 \
 \
-Copyright \'a9 2011-2018 Mengjuei Hsieh et al.\
+Copyright \'a9 2011-2020 Mengjuei Hsieh et al.\
 \
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the \'93Software\'94), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:\
 \
diff --git a/Source/Installer/zh-Hant.lproj/InfoPlist.strings b/Source/Installer/zh-Hant.lproj/InfoPlist.strings
index 43dc105b..1c4bd174 100644
--- a/Source/Installer/zh-Hant.lproj/InfoPlist.strings
+++ b/Source/Installer/zh-Hant.lproj/InfoPlist.strings
@@ -1,5 +1,5 @@
 /* Localized versions of Info.plist keys */
 
 CFBundleName = "安裝小麥注音";
-NSHumanReadableCopyright = "Copyright © 2011-2018 Mengjuei Hsieh et al.\nAll Rights Reserved.";
+NSHumanReadableCopyright = "Copyright © 2011-2020 Mengjuei Hsieh et al.\nAll Rights Reserved.";
 
diff --git a/Source/Installer/zh-Hant.lproj/License.rtf b/Source/Installer/zh-Hant.lproj/License.rtf
index 029a4f9d..3e20eec7 100644
--- a/Source/Installer/zh-Hant.lproj/License.rtf
+++ b/Source/Installer/zh-Hant.lproj/License.rtf
@@ -9,10 +9,10 @@
 \f0\b\fs36 \cf0 McBopomofo License Agreement
 \f1\b0\fs24 \
 \
-Copyright \'a9 2011-2018 Mengjuei Hsieh et al.\
+Copyright \'a9 2011-2020 Mengjuei Hsieh et al.\
 
 \f2 \'b5\'db\'a7\'40\'c5\'76\'a7\'51\'a9\'d2\'a6\'b3
-\f1  \'a9 2011-2018 Mengjuei Hsieh 
+\f1  \'a9 2011-2020 Mengjuei Hsieh 
 \f2 \'b5\'a5\'a4\'48
 \f1 \
 \
diff --git a/Source/McBopomofo-Info.plist b/Source/McBopomofo-Info.plist
index 173168d2..84df5045 100644
--- a/Source/McBopomofo-Info.plist
+++ b/Source/McBopomofo-Info.plist
@@ -104,7 +104,7 @@
 	<key>LSUIElement</key>
 	<true/>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2011-2018 Mengjuei Hsieh et al.</string>
+	<string>Copyright © 2011-2020 Mengjuei Hsieh et al.</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
diff --git a/Source/en.lproj/InfoPlist.strings b/Source/en.lproj/InfoPlist.strings
index 8ec26bf7..f2c7b01f 100644
--- a/Source/en.lproj/InfoPlist.strings
+++ b/Source/en.lproj/InfoPlist.strings
@@ -1,6 +1,6 @@
 CFBundleName = "McBopomofo";
 CFBundleDisplayName = "McBopomofo";
-NSHumanReadableCopyright = "Copyright © 2011-2018 Mengjuei Hsieh et al.\nAll Rights Reserved.";
+NSHumanReadableCopyright = "Copyright © 2011-2020 Mengjuei Hsieh et al.\nAll Rights Reserved.";
 "org.openvanilla.inputmethod.McBopomofo.Bopomofo" = "Bopomofo";
 "org.openvanilla.inputmethod.McBopomofo.PlainBopomofo" = "Plain Bopomofo";
 
diff --git a/Source/zh-Hant.lproj/InfoPlist.strings b/Source/zh-Hant.lproj/InfoPlist.strings
index b8b13f68..f84d1cd8 100644
--- a/Source/zh-Hant.lproj/InfoPlist.strings
+++ b/Source/zh-Hant.lproj/InfoPlist.strings
@@ -1,5 +1,5 @@
 CFBundleName = "小麥注音";
 CFBundleDisplayName = "小麥注音";
-NSHumanReadableCopyright = "Copyright © 2011-2018 Mengjuei Hsieh et al.\nAll Rights Reserved.";
+NSHumanReadableCopyright = "Copyright © 2011-2020 Mengjuei Hsieh et al.\nAll Rights Reserved.";
 "org.openvanilla.inputmethod.McBopomofo.Bopomofo" = "小麥注音";
 "org.openvanilla.inputmethod.McBopomofo.PlainBopomofo" = "傳統注音";