diff --git a/package.json b/package.json
index 4136cc5..e7fc35b 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "long": "^3.1.0",
     "bytebuffer": "^3.5.5",
-    "protobufjs": "5.0.1"
+    "protobufjs": "6.0.0"
   },
   "devDependencies": {
     "blanket": "1.1.7",