diff --git a/pyproject.toml b/pyproject.toml
index 8a3a78617..f2ad8dbb7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tket2-py"
-version = "0.1.0a2"
+version = "0.1.0a3"
 description = "pytket extension for the tket 2 compiler"
 classifiers = [
     "Environment :: Console",
@@ -68,7 +68,7 @@ authors = [
 maintainers = [
     { name = "TKET development team", email = "tket-support@quantinuum.com" },
 ]
-version = "0.1.0a2"
+version = "0.1.0a3"
 description = "pytket extension for the tket 2 compiler"
 requires-python = ">=3.10"
 license = { file = "LICENCE" }
diff --git a/tket2-py/CHANGELOG.md b/tket2-py/CHANGELOG.md
index 34440c3b5..c832def63 100644
--- a/tket2-py/CHANGELOG.md
+++ b/tket2-py/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## [0.1.1](https://github.com/CQCL/tket2/compare/tket2-py-v0.1.0...tket2-py-v0.1.1) (2024-07-12)
+## [0.1.0a3](https://github.com/CQCL/tket2/compare/tket2-py-v0.1.0...tket2-py-v0.1.0a3) (2024-07-12)
 
 
 ### Documentation