diff --git a/package.json b/package.json
index 58ac1757..c5a9ffdc 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "abstract-leveldown",
   "description": "An abstract prototype matching the LevelDOWN API",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "contributors": [
     "Rod Vagg <r@va.gg> (https://github.com/rvagg)",
     "John Chesley <john@chesl.es> (https://github.com/chesles/)",