diff --git a/lib/data/monorepo.json b/lib/data/monorepo.json
index 1d0437dbc8db72a191c1e0c43105eef18dfc64ec..39cf0003ec79794b638c6b75c2f480db5164787b 100644
--- a/lib/data/monorepo.json
+++ b/lib/data/monorepo.json
@@ -459,6 +459,7 @@
     "prisma": "https://github.com/prisma/prisma",
     "prometheus-net": "https://github.com/prometheus-net/prometheus-net",
     "promster": "https://github.com/tdeekens/promster",
+    "protobuf": "https://github.com/protocolbuffers/protobuf",
     "quartznet": "https://github.com/quartznet/quartznet",
     "radix-ui-primitives": "https://github.com/radix-ui/primitives",
     "reach-ui": "https://github.com/reach/reach-ui",