diff --git a/Cargo.toml b/Cargo.toml
index e63feed9..cd1e6d2b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ categories = [ "algorithms", "data-structures", "science" ]
 license = "MIT OR Apache-2.0"
 name = "num-bigint"
 repository = "https://github.com/rust-num/num-bigint"
-version = "0.4.4"
+version = "0.4.5"
 readme = "README.md"
 exclude = ["/ci/*", "/.github/*"]
 edition = "2021"
diff --git a/RELEASES.md b/RELEASES.md
index ad5dd499..f3163116 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,3 +1,19 @@
+# Release 0.4.5 (2024-05-06)
+
+- [Upgrade to 2021 edition, **MSRV 1.60**][292]
+- [Add `const ZERO` and implement `num_traits::ConstZero`][298]
+- [Add `modinv` methods for the modular inverse][288]
+- [Optimize multiplication with imbalanced operands][295]
+- [Optimize scalar division on x86 and x86-64][236]
+
+**Contributors**: @cuviper, @joelonsql, @waywardmonkeys
+
+[236]: https://github.com/rust-num/num-bigint/pull/236
+[288]: https://github.com/rust-num/num-bigint/pull/288
+[292]: https://github.com/rust-num/num-bigint/pull/292
+[295]: https://github.com/rust-num/num-bigint/pull/295
+[298]: https://github.com/rust-num/num-bigint/pull/298
+
 # Release 0.4.4 (2023-08-22)
 
 - [Implemented `From<bool>` for `BigInt` and `BigUint`.][239]