diff --git a/Cargo.toml b/Cargo.toml
index 623530b..8ad8365 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lav"
-version = "0.2.1"
+version = "0.3.0"
 edition = "2021"
 description = "Lane-Associated Vector (LAV): Portable SIMD vector trait as GAT of SIMD lane trait."
 documentation = "https://docs.rs/lav"
diff --git a/RELEASES.md b/RELEASES.md
index 2e1294b..be0bab0 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,3 +1,8 @@
+# Version 0.3.0 (2021-12-09)
+
+  * Add trait bounds and their reference versions.
+  * Remove SIMD trait bounds with scalar RHS.
+
 # Version 0.2.1 (2021-12-05)
 
   * Use `must_use` and `inline` attributes.