diff --git a/README.md b/README.md
index eb9ce697..e39c23a2 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ Features
 Dependencies
 ------------
   
-  * Redmine 4.2.0 or higher
+  * Redmine 5.0.0 or higher
 
 ### Full-text search (optional)
 
diff --git a/init.rb b/init.rb
index 0edec3f1..98a72002 100644
--- a/init.rb
+++ b/init.rb
@@ -29,7 +29,7 @@ Redmine::Plugin.register :redmine_dmsf do
   description 'Document Management System Features'
   version '3.0.6'
   
-  requires_redmine version_or_higher: '4.2.0'
+  requires_redmine version_or_higher: '5.0.0'
 
   settings partial: 'settings/dmsf_settings',
             default: {