diff --git a/README.md b/README.md
index 74627bd..2a87265 100644
--- a/README.md
+++ b/README.md
@@ -151,6 +151,9 @@ This will generate the following output:
 
 ## Changelog
 
+#####0.3.1
+- fixed fails to create source map files by uglify({outSourceMap: true})
+
 #####0.3.0
 - new version of options
 
diff --git a/package.json b/package.json
index 50bd4fb..d27883b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "gulp-usemin",
-	"version": "0.3.0",
+	"version": "0.3.1",
 	"description": "Replaces references to non-optimized scripts or stylesheets into a set of HTML files (or any templates/views).",
 	"main": "index.js",
 	"dependencies": {