diff --git a/package.json b/package.json
index 77192cd..2e6ea66 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "pcsclite",
-    "version": "0.3.6",
+    "version": "0.4.0",
     "engines": {
         "node": "~0.8.0"
     },