diff --git a/package-lock.json b/package-lock.json
index ac4e21f..6903f7d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
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@@ -141,8 +131,7 @@
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@@ -2747,14 +2733,6 @@
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diff --git a/package.json b/package.json
index 17610eb..0fa1104 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "onnxjs-node",
   "description": "a Node.js binding of ONNXRuntime that works seamlessly with ONNX.js",
-  "version": "0.4.0",
+  "version": "0.4.0-rev.1",
   "author": "fs-eire",
   "main": "./lib/index.js",
   "scripts": {
@@ -50,12 +50,12 @@
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     "typescript": "^3.4.5"
   },
   "dependencies": {
     "node-pre-gyp": "^0.13.0",
-    "onnxjs": "^0.1.6"
+    "onnxjs": "^0.1.6",
+    "protobufjs": "^6.8.8"
   }
 }