diff --git a/Casks/e/eudic.rb b/Casks/e/eudic.rb
index c113b8c06d..ef8373e0bd 100644
--- a/Casks/e/eudic.rb
+++ b/Casks/e/eudic.rb
@@ -1,5 +1,5 @@
 cask "eudic" do
-  version "4.6.1"
+  version "4.5.4"
   sha256 :no_check
 
   url "https://static.frdic.com/pkg/eudicmac.dmg",