diff --git a/package-lock.json b/package-lock.json
index 980888d..7f18662 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-pxtorem",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index b5eb7af..2be1fdb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "postcss-pxtorem",
   "description": "A CSS post-processor that converts px to rem.",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "author": "cuth",
   "license": "MIT",
   "repository": {