diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 76d5538..b28fea9 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.9.0"
+  ".": "0.9.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45dd9b9..a92b81f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [0.9.1](https://github.com/mischuh/canonic/compare/v0.9.0...v0.9.1) (2026-07-18)
+
+
+### Bug Fixes
+
+* **compiler:** partition semi-additive collapse by source grain ([#234](https://github.com/mischuh/canonic/issues/234)) ([2923fd1](https://github.com/mischuh/canonic/commit/2923fd1dd1f2275be5e76d6bd3dbd9a92d91165d))
+
+
+### Documentation
+
+* **examples:** add end-user labels and fleet inventory data to rental example ([#233](https://github.com/mischuh/canonic/issues/233)) ([8533c63](https://github.com/mischuh/canonic/commit/8533c63150d539159bebb29b899515c9b983c815))
+
 ## [0.9.0](https://github.com/mischuh/canonic/compare/v0.8.4...v0.9.0) (2026-07-18)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index e8ca4e1..b1001e1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "canonic"
-version = "0.9.0"
+version = "0.9.1"
 description = "The Open Context Layer for Data Agents"
 readme = "README.md"
 requires-python = ">=3.13"