diff --git a/docs/release-calendar.csv b/docs/release-calendar.csv
index 8f411143be6..3f9c85a5bf9 100644
--- a/docs/release-calendar.csv
+++ b/docs/release-calendar.csv
@@ -1,3 +1,4 @@
 21.0,2021-03-24,21.0.1,Dylan Baker
 ,2021-04-07,21.0.2,Dylan Baker
-,2021-04-21,21.0.3,Dylan Baker,This is the last planned release of the 21.0.x series.
+,2021-04-21,21.0.3,Dylan Baker,
+,2021-05-05,21.0.4,Dylan Baker,This is the last planned release of the 21.0.x series.