diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9429a7..a4586af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ All significant changes to this project will be documented in this file.
 
 ## Unreleased
 
+## v0.3.0 (2026-05-18)
+
 ### Breaking changes
 
 * `CountMinSketch` now has a type parameter for the count type. Possible values are `u8` to `u64` and `i8` to `i64`.