diff --git a/package-lock.json b/package-lock.json
index 9f4f4dea..7703ba24 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "cssstyle",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 232901c8..d5891022 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "CSSStyleDeclaration",
     "StyleSheet"
   ],
-  "version": "2.1.0",
+  "version": "2.2.0",
   "homepage": "https://github.com/jsdom/cssstyle",
   "maintainers": [
     {