diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0eedbf..1cebaab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,7 @@
 
 -->
 
-## 0.x.x (unreleased)
+## 0.21.0 (unreleased)
 
 ### Features
 - Supports nestLimit option. (#87, #91)