diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6bb7b464..1aaaff6a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
     "tket2-py": "0.5.1",
     "tket2-eccs": "0.2.0",
-    "tket2-exts": "0.1.1"
+    "tket2-exts": "0.2.0"
 }
\ No newline at end of file
diff --git a/tket2-exts/CHANGELOG.md b/tket2-exts/CHANGELOG.md
index 73560a64..c858d1ad 100644
--- a/tket2-exts/CHANGELOG.md
+++ b/tket2-exts/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [0.2.0](https://github.com/CQCL/tket2/compare/tket2-exts-v0.1.1...tket2-exts-v0.2.0) (2024-12-02)
+
+
+### ⚠ BREAKING CHANGES
+
+* all references to "hseries" including extension, modules and structs renamed to "qsystem"
+* hseries qalloc op replaced with fallible TryQalloc
+
+### Features
+
+* update measurement and alloc operations ([#702](https://github.com/CQCL/tket2/issues/702)) ([a7a0201](https://github.com/CQCL/tket2/commit/a7a020116f42bfeb89c356d08816a2f3ce1b5226))
+
+
+### Code Refactoring
+
+* rename hseries to qsystem ([#703](https://github.com/CQCL/tket2/issues/703)) ([1e90173](https://github.com/CQCL/tket2/commit/1e90173872e73c44a6321fe400ae6f2e4e115220))
+
 ## [0.1.1](https://github.com/CQCL/tket2/compare/tket2-exts-v0.1.0...tket2-exts-v0.1.1) (2024-11-05)
 
 
diff --git a/tket2-exts/pyproject.toml b/tket2-exts/pyproject.toml
index 6c994495..885c3dce 100644
--- a/tket2-exts/pyproject.toml
+++ b/tket2-exts/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "tket2-exts"
-version = "0.1.1"
+version = "0.2.0"
 requires-python = ">=3.10"
 description = "HUGR extension definitions for the tket2 compiler."
 license = { file = "LICENCE" }