diff --git a/package.json b/package.json
index 48f60c7..39fab40 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tabcat/ordered-sets",
-  "version": "1.2.0",
+  "version": "2.0.0",
   "description": "Utilities for working with ordered sets",
   "type": "module",
   "main": "dist/src/index.js",