diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 28ceedc..ae7a702 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -190,6 +190,8 @@ jobs:
   upload:
     environment: PyPI
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write
     name: Upload
     needs:
     - wheel-linux-aarch64
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5534e4a..ff488bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,15 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 
 ## [Unreleased]
-[Unreleased]: https://github.com/fastobo/fastobo-py/compare/v0.12.2...HEAD
+[Unreleased]: https://github.com/fastobo/fastobo-py/compare/v0.12.3...HEAD
+
+## [v0.12.3] - 2023-12-06
+[v0.12.3]: https://github.com/fastobo/fastobo-py/compare/v0.12.2...v0.12.3
+### Added
+- Explicit support for Python 3.12.
+### Changed
+- Bump `pyo3` to `v0.19.2`.
+- Make `DisconnectedChannelError` inherit from `RuntimeError` instead of `ChildProcessError`.
 
 ## [v0.12.2] - 2022-12-06
 [v0.12.2]: https://github.com/fastobo/fastobo-py/compare/v0.12.1...v0.12.2
diff --git a/Cargo.lock b/Cargo.lock
index 9fabda2..815fbd6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -312,7 +312,7 @@ dependencies = [
 
 [[package]]
 name = "fastobo-py"
-version = "0.12.2"
+version = "0.12.3"
 dependencies = [
  "built",
  "fastobo",
@@ -329,7 +329,7 @@ dependencies = [
 
 [[package]]
 name = "fastobo-py-derive-internal"
-version = "0.12.2"
+version = "0.12.3"
 dependencies = [
  "proc-macro2 1.0.70",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index aac19f7..ce22b26 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["derive"]
 
 [package]
 name = "fastobo-py"
-version = "0.12.2"
+version = "0.12.3"
 authors = ["Martin Larralde <martin.larralde@embl.de>"]
 license = "MIT"
 publish = false
@@ -44,7 +44,7 @@ version = "0.11.0"
 [dependencies.horned-functional]
 version = "0.4.0"
 [dependencies.fastobo-py-derive-internal]
-version = "0.12.1"
+version = "0.12.3"
 path = "./derive"
 
 [features]
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index 8a5746d..749b09a 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fastobo-py-derive-internal"
-version = "0.12.2"
+version = "0.12.3"
 authors = ["Martin Larralde <martin.larralde@embl.de>"]
 edition = "2018"
 publish = false
diff --git a/setup.cfg b/setup.cfg
index 62f0d02..e3c0d19 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = fastobo
-version = 0.12.2
+version = 0.12.3
 author = Martin Larralde
 author_email = martin.larralde@embl.de
 home_page = https://github.com/fastobo/fastobo-py