diff --git a/CHANGELOG.md b/CHANGELOG.md
index b0b27fc..45c7ec8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Next
 
+## [0.0.1-alpha.3] - 2026-10-04
+
 * Adds `NewtypeConstraints` for `Array`, `Integer`, and `Number` (#19)
 * A newtype's constraints are checked against the type it wraps at
   finalization, reported as `Error::InvalidConstraints` (#19)
diff --git a/Cargo.lock b/Cargo.lock
index a6099dd..b6dac66 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1004,7 +1004,7 @@ dependencies = [
 
 [[package]]
 name = "typespace"
-version = "0.0.1-alpha.2"
+version = "0.0.1-alpha.3"
 dependencies = [
  "codespace",
  "expectorate",
diff --git a/typespace/Cargo.toml b/typespace/Cargo.toml
index 842e31c..f5068b4 100644
--- a/typespace/Cargo.toml
+++ b/typespace/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "typespace"
-version = "0.0.1-alpha.2"
+version = "0.0.1-alpha.3"
 edition = "2024"
 rust-version = "1.97"
 license = "Apache-2.0"