diff --git a/package-lock.json b/package-lock.json
index 2f6d4d9b..e6c5e89f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "cssstyle",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 366bcec2..6807c64f 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "CSSStyleDeclaration",
     "StyleSheet"
   ],
-  "version": "0.3.0",
+  "version": "0.3.1",
   "homepage": "https://github.com/jsakas/CSSStyleDeclaration",
   "maintainers": [
     {