diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ca9eb666..a66bd8945 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
-## [0.21.0-rc0]
+## [0.21.0-rc1]
 ### Added
 ### Changed
 - Maximum datagram size in bytes for unix datagram generator is 8,192.