diff --git a/CHANGELOG.md b/CHANGELOG.md
index e72b04e..1c56704 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,11 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.8.1] - 2026-09-23
+
 - gate CI at 100% coverage: `test:ci` runs c8 with `--all --100` over `src/`,
   and a test loads the `index.ts` barrel so it is measured
 - pin the duplicate-tag union collapse (members sharing a tag dispatch through
   one handler) with tests
-- track a TypeScript 5.0 baseline in the backlog
 
 ## [0.8.0] - 2026-09-23
 
@@ -100,7 +101,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - basic setup
 
-[Unreleased]: https://gitea.e1nsnull.de/tmu/tiny-pattern-ts/compare/0.8.0...main
+[Unreleased]: https://gitea.e1nsnull.de/tmu/tiny-pattern-ts/compare/0.8.1...main
+[0.8.1]: https://gitea.e1nsnull.de/tmu/tiny-pattern-ts/compare/0.8.0...0.8.1
 [0.8.0]: https://gitea.e1nsnull.de/tmu/tiny-pattern-ts/compare/0.7.1...0.8.0
 [0.7.1]: https://gitea.e1nsnull.de/tmu/tiny-pattern-ts/compare/0.7.0...0.7.1
 [0.7.0]: https://gitea.e1nsnull.de/tmu/tiny-pattern-ts/compare/0.6.0...0.7.0
diff --git a/package-lock.json b/package-lock.json
index 4b4dfaa..fc1f3bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "tiny-pattern-ts",
-    "version": "0.8.0",
+    "version": "0.8.1",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "tiny-pattern-ts",
-            "version": "0.8.0",
+            "version": "0.8.1",
             "license": "MIT",
             "dependencies": {
                 "type-fest": "^5.9.0"
diff --git a/package.json b/package.json
index b1e8876..38e139f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "tiny-pattern-ts",
-    "version": "0.8.0",
+    "version": "0.8.1",
     "description": "Pattern matching for TypeScript/ESM environments (F#-style, not regex)",
     "keywords": [
         "adt",