diff --git a/.buildkite/RELEASE.md b/.buildkite/RELEASE.md
index fba62128..21a11e09 100644
--- a/.buildkite/RELEASE.md
+++ b/.buildkite/RELEASE.md
@@ -1 +1 @@
-<!-- Current release: 4.20.0 -->
+<!-- Current release: 4.21.0 -->