diff --git a/docs/release-calendar.csv b/docs/release-calendar.csv
index 3f9c85a5bf9..ef11ee485cc 100644
--- a/docs/release-calendar.csv
+++ b/docs/release-calendar.csv
@@ -2,3 +2,7 @@
 ,2021-04-07,21.0.2,Dylan Baker
 ,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.
+21.1,2021-04-14,21.1.0-rc1,Eric Engestrom
+,2021-04-21,21.1.0-rc2,Eric Engestrom
+,2021-04-28,21.1.0-rc3,Eric Engestrom
+,2021-05-05,21.1.0-rc4,Eric Engestrom,Or 21.1.0 final.