diff --git a/package-lock.json b/package-lock.json
index cb1383a1..76010c6d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "mp4box",
-  "version": "0.4.9",
+  "version": "0.5.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 28dac5fb..442dca74 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mp4box",
-  "version": "0.4.9",
+  "version": "0.5.1",
   "description": "JavaScript version of GPAC's MP4Box tool",
   "keywords": [
     "mp4",