diff --git a/CHANGELOG.md b/CHANGELOG.md
index aacd9f0f8..c77ae3136 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+
+# 0.23.5 - 2022-12-05
+
+* Backport [fix soundness issue with `preallocated_gen_new`](https://github.com/rust-bitcoin/rust-secp256k1/pull/548)
+
 # 0.23.4 - 2022-07-14
 
 * [Disable automatic rerandomization of contexts under WASM](https://github.com/rust-bitcoin/rust-secp256k1/pull/474)
diff --git a/Cargo.toml b/Cargo.toml
index de7ff34a3..85aa64060 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "secp256k1"
-version = "0.23.4"
+version = "0.23.5"
 authors = [ "Dawid Ciężarkiewicz <dpc@ucore.info>",
             "Andrew Poelstra <apoelstra@wpsoftware.net>" ]
 license = "CC0-1.0"