diff --git a/ChangeLog.md b/ChangeLog.md
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--- a/ChangeLog.md
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@@ -3,7 +3,7 @@ Commands ChangeLog
 
 ## ?.?.? / ????-??-??
 
-## 12.0.0 / ????-??-??
+## 12.0.0 / 2024-03-28
 
 * Merged PR #14: Change from `set` to `use` prefix for argument methods
   (@thekid)