diff --git a/CHANGES b/CHANGES
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--- a/CHANGES
+++ b/CHANGES
@@ -1,7 +1,7 @@
 Change log
 ==========
 
-2.4.0 (2021-XX-XX)
+2.4.0 (2021-04-23)
 ------------------
 
 - Source code formatting of `examples` 5171ee5