diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d653959a..7f894e576 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/release-please?activeTab=versions
 
+## [15.9.1](https://github.com/googleapis/release-please/compare/v15.9.0...v15.9.1) (2023-03-14)
+
+
+### Bug Fixes
+
+* **cargo-workspace:** Validate Cargo.toml version field ([#1877](https://github.com/googleapis/release-please/issues/1877)) ([0303e2e](https://github.com/googleapis/release-please/commit/0303e2eb9fb082bd9657baa117961d8567eba7e6))
+
 ## [15.9.0](https://github.com/googleapis/release-please/compare/v15.8.2...v15.9.0) (2023-03-14)
 
 
diff --git a/package.json b/package.json
index 0ec8ae57a..76a0bc519 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "release-please",
-  "version": "15.9.0",
+  "version": "15.9.1",
   "description": "generate release PRs based on the conventionalcommits.org spec",
   "main": "./build/src/index.js",
   "bin": "./build/src/bin/release-please.js",