diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3434c05..2a0aa1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,17 @@ Released YYYY-MM-DD.
 
 --------------------------------------------------------------------------------
 
+## 3.15.3
+
+Released 2024-02-22.
+
+### Added
+
+* Added additional performance improvements to `bumpalo::collections::Vec`
+  related to reserving capacity.
+
+--------------------------------------------------------------------------------
+
 ## 3.15.2
 
 Released 2024-02-21.
diff --git a/Cargo.toml b/Cargo.toml
index 4c93ea4..97d56d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 name = "bumpalo"
 readme = "README.md"
 repository = "https://github.com/fitzgen/bumpalo"
-version = "3.15.2"
+version = "3.15.3"
 exclude = ["/.github/*", "/benches", "/tests", "valgrind.supp", "bumpalo.png"]
 rust-version = "1.73.0"