diff --git a/CHANGELOG.md b/CHANGELOG.md
index 47d0cc6..1fd17fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@ Releases before this file was added are documented in the
 
 ## [Unreleased]
 
+Nothing yet.
+
+## [2.0.0] - 2026-09-29
+
 Typed encoding and decoding. `decode()` used to return `unknown` and `encode()`
 used to accept `unknown`, so callers wrote their own interfaces and cast. The
 types are now derived from the schema, three ways: from an inline `SchemaNode`
@@ -104,3 +108,6 @@ and the emitted JavaScript is unchanged.
   documented a `{ name: value }` shape the codecs stopped producing, with a hex
   string that threw when decoded. They now show `{ key, value }` with working
   hex.
+
+[Unreleased]: https://github.com/sysdevrun/asn1-per-ts/compare/v2.0.0...HEAD
+[2.0.0]: https://github.com/sysdevrun/asn1-per-ts/compare/v1.4.0...v2.0.0
diff --git a/package-lock.json b/package-lock.json
index 85c829c..bccafbf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "asn1-per-ts",
-  "version": "1.4.0",
+  "version": "2.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "asn1-per-ts",
-      "version": "1.4.0",
+      "version": "2.0.0",
       "license": "MIT",
       "dependencies": {
         "peggy": "^5.0.6"
diff --git a/package.json b/package.json
index 09861de..278d4b4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "asn1-per-ts",
-  "version": "1.4.0",
+  "version": "2.0.0",
   "description": "PER (Packed Encoding Rules) unaligned encoder/decoder for ASN.1 types in TypeScript",
   "type": "module",
   "exports": {