diff --git a/Cargo.lock b/Cargo.lock
index 7f0e93e2..7065aa88 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2007,7 +2007,7 @@ dependencies = [
 
 [[package]]
 name = "tket2"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "bytemuck",
  "cgmath",
@@ -2045,7 +2045,7 @@ dependencies = [
 
 [[package]]
 name = "tket2-hseries"
-version = "0.11.0"
+version = "0.11.1"
 dependencies = [
  "clap",
  "cool_asserts",
diff --git a/tket2-hseries/CHANGELOG.md b/tket2-hseries/CHANGELOG.md
index 9c03debf..fa87eb08 100644
--- a/tket2-hseries/CHANGELOG.md
+++ b/tket2-hseries/CHANGELOG.md
@@ -4,6 +4,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.11.1](https://github.com/CQCL/tket2/compare/tket2-hseries-v0.11.0...tket2-hseries-v0.11.1) - 2025-04-03
+
+### New Features
+
+- Add `tket2.bool` extension ([#823](https://github.com/CQCL/tket2/pull/823))
+
+### Refactor
+
+- Better error message on allocation failure. ([#827](https://github.com/CQCL/tket2/pull/827))
+
 ## [0.11.0](https://github.com/CQCL/tket2/compare/tket2-hseries-v0.10.0...tket2-hseries-v0.11.0) - 2025-03-17
 
 ### Bug Fixes
diff --git a/tket2-hseries/Cargo.toml b/tket2-hseries/Cargo.toml
index 627c41e9..63a5cdfe 100644
--- a/tket2-hseries/Cargo.toml
+++ b/tket2-hseries/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tket2-hseries"
-version = "0.11.0"
+version = "0.11.1"
 edition.workspace = true
 rust-version.workspace = true
 
@@ -23,7 +23,7 @@ required-features = ["cli"]
 
 [dependencies]
 hugr.workspace = true
-tket2 = { path = "../tket2", version = "0.8.0" }
+tket2 = { path = "../tket2", version = "0.8.1" }
 lazy_static.workspace = true
 serde = { workspace = true, features = ["derive"] }
 smol_str.workspace = true
diff --git a/tket2-py/Cargo.toml b/tket2-py/Cargo.toml
index 0387e658..26ae5d31 100644
--- a/tket2-py/Cargo.toml
+++ b/tket2-py/Cargo.toml
@@ -19,7 +19,7 @@ test = false
 bench = false
 
 [dependencies]
-tket2 = { path = "../tket2", version = "0.8.0", features = [
+tket2 = { path = "../tket2", version = "0.8.1", features = [
     "portmatching",
     "binary-eccs",
 ] }
diff --git a/tket2/CHANGELOG.md b/tket2/CHANGELOG.md
index bc0c75dc..2abc7c67 100644
--- a/tket2/CHANGELOG.md
+++ b/tket2/CHANGELOG.md
@@ -4,6 +4,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.8.1](https://github.com/CQCL/tket2/compare/tket2-v0.8.0...tket2-v0.8.1) - 2025-04-03
+
+### New Features
+
+- Add `tket2.bool` extension ([#823](https://github.com/CQCL/tket2/pull/823))
+
+### Refactor
+
+- Better error message on allocation failure. ([#827](https://github.com/CQCL/tket2/pull/827))
+
 ## [0.8.0](https://github.com/CQCL/tket2/compare/tket2-v0.7.3...tket2-v0.8.0) - 2025-03-17
 
 ### New Features
diff --git a/tket2/Cargo.toml b/tket2/Cargo.toml
index cfabc0d9..0eef76ed 100644
--- a/tket2/Cargo.toml
+++ b/tket2/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tket2"
-version = "0.8.0"
+version = "0.8.1"
 edition = { workspace = true }
 rust-version = { workspace = true }