diff --git a/LICENSE b/LICENSE
index 02d67f4..a78643b 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-opyright (c) 2017 Ole Jungclaussen
+copyright (c) 2017-21 Ole Jungclaussen
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
diff --git a/README.rdoc b/README.rdoc
index ad15379..f573491 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -2,9 +2,9 @@
 
 A plugin for Redmine[www.redmine.org] which allows users to up- or down-vote issues.
 
-Current version: 1.0.2
+Current version: 1.0.3
 
-Developed on Redmine 3.3.2
+Developed on Redmine 4.2.3
 
 == Usage
 
@@ -34,4 +34,4 @@ There are Up- and down-votes columns available for the issue listing.
 
 == Copyright
 
-Copyright (c) 2017 Ole Jungclaussen. See LICENSE for details.
+Copyright (c) 2017-21 Ole Jungclaussen. See LICENSE for details.
diff --git a/changelog b/changelog
index beb2d05..9e78ae6 100644
--- a/changelog
+++ b/changelog
@@ -1,5 +1,7 @@
-1.0.2: Added permission 'view voters'
-==
-1.0.1: Added permission 'view votes'
-==       
-1.0.0: Initial version
\ No newline at end of file
+1.0.3: Adjusted database table creation to redmine 4.x
+==
+1.0.2: Added permission 'view voters'
+==
+1.0.1: Added permission 'view votes'
+==
+1.0.0: Initial version
diff --git a/init.rb b/init.rb
index 9d264a3..901d2c3 100644
--- a/init.rb
+++ b/init.rb
@@ -12,12 +12,12 @@
 Redmine::Plugin.register :vote_on_issues do
   name 'Vote On Issues'
   description 'This plugin allows to up- and down-vote issues.'
-  version '1.0.2'
+  version '1.0.3'
   url 'https://github.com/ojde/redmine-vote_on_issues-plugin'
   author 'Ole Jungclaussen'
   author_url 'https://jungclaussen.com'
   
-  requires_redmine  :version_or_higher => '3.3.2'
+  requires_redmine  :version_or_higher => '4.0.0'
   
   project_module :vote_on_issues do
     permission :cast_votes, {:issues => :cast_vote }, :require => :loggedin