diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 26144fe71..2f28309d2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-    "tket-py": "0.13.0",
+    "tket-py": "0.13.1",
     "tket-eccs": "0.5.1",
     "tket-exts": "0.12.3",
     "qis-compiler": "0.2.10"
diff --git a/tket-py/CHANGELOG.md b/tket-py/CHANGELOG.md
index 104c2e304..d4a9775bb 100644
--- a/tket-py/CHANGELOG.md
+++ b/tket-py/CHANGELOG.md
@@ -1,5 +1,25 @@
 # Changelog
 
+## [0.13.1](https://github.com/Quantinuum/tket2/compare/tket-py-v0.13.0...tket-py-v0.13.1) (2026-05-05)
+
+
+### Features
+
+* expose the QSystemPass to Python ([#1556](https://github.com/Quantinuum/tket2/issues/1556)) ([394a610](https://github.com/Quantinuum/tket2/commit/394a610593818ab10a46e5febbc3ec7f6cd29cec))
+* InlineFunctionsPass ([#1524](https://github.com/Quantinuum/tket2/issues/1524)) ([f40dcef](https://github.com/Quantinuum/tket2/commit/f40dcefdb8c1f36220e187789825c3e0d7f3412e))
+
+
+### Bug Fixes
+
+* Apply modifiers through function calls ([#1531](https://github.com/Quantinuum/tket2/issues/1531)) ([6a13f0c](https://github.com/Quantinuum/tket2/commit/6a13f0c40041bd841bbc8fe12d849b207f349fb2))
+* Incorrect matching of pytket parameters to unsupported graph ports ([#1561](https://github.com/Quantinuum/tket2/issues/1561)) ([4fc5a25](https://github.com/Quantinuum/tket2/commit/4fc5a25ad8e3d97b4ac47f5578b4e041b95d96fc))
+* Update examples link in README.md ([#1506](https://github.com/Quantinuum/tket2/issues/1506)) ([9a25ec8](https://github.com/Quantinuum/tket2/commit/9a25ec8b83dc193aaa031a9f52e256ec85ee7bc2))
+
+
+### Documentation
+
+* Simplify package description. ([#1547](https://github.com/Quantinuum/tket2/issues/1547)) ([54e855f](https://github.com/Quantinuum/tket2/commit/54e855ffe9700fb73771f2d31026ea20a7c83120))
+
 ## [0.13.0](https://github.com/Quantinuum/tket2/compare/tket-py-v0.12.16...tket-py-v0.13.0) (2026-04-07)
 
 This release removes outdated APIs from the public interface. `Tk2Circuit` has been replaced with a temporarily unstable `CompilationState`.
diff --git a/tket-py/pyproject.toml b/tket-py/pyproject.toml
index d80f2007b..fd48c748c 100644
--- a/tket-py/pyproject.toml
+++ b/tket-py/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "tket"
-version = "0.13.0"
+version = "0.13.1"
 requires-python = ">=3.10"
 description = "Quantinuum's TKET Quantum Compiler"
 license = { file = "LICENCE" }
diff --git a/tket-py/tket/__init__.py b/tket-py/tket/__init__.py
index a23a80009..b7051c436 100644
--- a/tket-py/tket/__init__.py
+++ b/tket-py/tket/__init__.py
@@ -18,4 +18,4 @@
 
 # This is updated by our release-please workflow, triggered by this
 # annotation: x-release-please-version
-__version__ = "0.13.0"
+__version__ = "0.13.1"