diff --git a/Casks/h/hancom-docs.rb b/Casks/h/hancom-docs.rb
index d9f773b2eb..cba7e1637d 100644
--- a/Casks/h/hancom-docs.rb
+++ b/Casks/h/hancom-docs.rb
@@ -1,5 +1,5 @@
 cask "hancom-docs" do
-  version "12.30.0,5491"
+  version "12.30.0.5491"
   sha256 :no_check
 
   url "https://cdn.hancom.com/pds/hnc/DOWN/HancomDocs/HwpMac_HancomDocs.pkg",