diff --git a/package.json b/package.json
index 87f0c13e..67342b76 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "diff",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "A javascript text diff implementation.",
   "keywords": [
     "diff",