diff --git a/package.json b/package.json
index 6e7d132..dd657dd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@saving-tool/hmrc-income-tax",
-  "version": "0.11.1",
+  "version": "0.12.0",
   "description": "An ultra-fast, tiny TypeScript implementation of UK Income Tax & National Insurance calculations",
   "author": "Sam Brown (https://github.com/sgb-io)",
   "dependencies": {},