diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5bfafc89..e7857a5ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# # 12.3.0 - August 31, 2024
+
+- Fix incorrect string serialization of `and_b` [#735](https://github.com/rust-bitcoin/rust-miniscript/pull/735)
+
 # # 12.2.0 - July 20, 2024
 
 - Fix panics while decoding large miniscripts from script [#712](https://github.com/rust-bitcoin/rust-miniscript/pull/712)
diff --git a/Cargo-minimal.lock b/Cargo-minimal.lock
index 1caed3d9f..c64d34cf0 100644
--- a/Cargo-minimal.lock
+++ b/Cargo-minimal.lock
@@ -316,7 +316,7 @@ dependencies = [
 
 [[package]]
 name = "miniscript"
-version = "12.2.0"
+version = "12.3.0"
 dependencies = [
  "bech32",
  "bitcoin",
diff --git a/Cargo-recent.lock b/Cargo-recent.lock
index d408d6cf3..ffc1fbbce 100644
--- a/Cargo-recent.lock
+++ b/Cargo-recent.lock
@@ -294,7 +294,7 @@ dependencies = [
 
 [[package]]
 name = "miniscript"
-version = "12.2.0"
+version = "12.3.0"
 dependencies = [
  "bech32",
  "bitcoin",
diff --git a/Cargo.toml b/Cargo.toml
index 65c0f24b7..ac0e2c10a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "miniscript"
-version = "12.2.0"
+version = "12.3.0"
 authors = ["Andrew Poelstra <apoelstra@wpsoftware.net>, Sanket Kanjalkar <sanket1729@gmail.com>"]
 license = "CC0-1.0"
 homepage = "https://github.com/rust-bitcoin/rust-miniscript/"