diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5d02000a..bf5f1fb2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.6.1"
+  ".": "0.6.2"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5d7bb64..1c1db02d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.6.2](https://github.com/CQCL/guppylang/compare/v0.6.1...v0.6.2) (2024-07-10)
+
+
+### Features
+
+* update to hugr-python 0.4  ([af770c3](https://github.com/CQCL/guppylang/commit/af770c31536a59c32fd8229579455a309e90058e))
+
 ## [0.6.1](https://github.com/CQCL/guppylang/compare/v0.6.0...v0.6.1) (2024-07-09)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index e31d315a..a0731845 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "guppylang"
-version = "0.6.1"
+version = "0.6.2"
 description = "Pythonic quantum-classical programming language"
 authors = ["Mark Koch <mark.koch@quantinuum.com>"]
 license = "Apache-2.0"