diff --git a/Casks/font-open-khmer-school.rb b/Casks/font-open-khmer-school.rb
index f41b4fa..b0a1a01 100644
--- a/Casks/font-open-khmer-school.rb
+++ b/Casks/font-open-khmer-school.rb
@@ -1,5 +1,5 @@
 cask 'font-open-khmer-school' do
-  version "1.420"
+  version "1.421"
   sha256 :no_check
 
   url "https://github.com/OpenInstituteCambodia/open-khmer-school/releases/download/v#{version}/OpenKhmerSchool_v#{version}.zip"