diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index c1b0173..54e4804 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,4 +1,4 @@
-- ?:
+- 21.0 (2023-05-05):
     - Resolve warnings on Github Actions workflow and include script on releases.
 
 - 20.0 (2023-05-03):