diff --git a/package.json b/package.json
index 68ca8be9..61ef75a4 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "@bufbuild/buf": "1.28.1",
-    "@bufbuild/protobuf": "1.5.0",
+    "@bufbuild/protobuf": "2.2.2",
     "@bufbuild/protoc-gen-es":"1.5.0",
     "@microsoft/ccf-app": "5.0.7",
     "js-base64": "3.7.7",