diff --git a/package.json b/package.json
index 433f65c..0489693 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "spdx-satisfies",
   "description": "test whether SPDX expressions satisfy licensing criteria",
-  "version": "5.0.1",
+  "version": "6.0.0",
   "author": "Kyle E. Mitchell <kyle@kemitchell.com> (https://kemitchell.com)",
   "contributors": [
     "Kyle E. Mitchell <kyle@kemitchell.com> (https://kemitchell.com)",