diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1da4a76..22fea7f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # rfc4648
 
+## 1.3.0 (2019-09-25)
+
+- Port the library to TypeScript.
+
 ## 1.2.1 (2019-05-24)
 
 - Update build & test infrastructure.
diff --git a/package.json b/package.json
index baf5ea4..3bfa6a7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rfc4648",
-  "version": "1.2.1",
+  "version": "1.3.0",
   "description": "Encoding and decoding for base64, base32, base16, and friends",
   "keywords": [
     "Uint8Array",