diff --git a/projects/tlr.dev/package.yml b/projects/tlr.dev/package.yml
index eca1413b..ed2ccf8f 100644
--- a/projects/tlr.dev/package.yml
+++ b/projects/tlr.dev/package.yml
@@ -12,6 +12,7 @@ build:
   dependencies:
     go.dev: ^1.21
     rust-lang.org: ^1.78
+    protobuf.dev: '*' # as of 2.0.6
   script:
     - run: go build $GO_ARGS -ldflags="$GO_LDFLAGS" .
       if: <2