diff --git a/metropolis/proto/api/BUILD.bazel b/metropolis/proto/api/BUILD.bazel
index 993d3dc..e7b4cc7 100644
--- a/metropolis/proto/api/BUILD.bazel
+++ b/metropolis/proto/api/BUILD.bazel
@@ -5,6 +5,7 @@
 proto_library(
     name = "api_proto",
     srcs = [
+        "aaa.proto",
         "debug.proto",
         "enrolment.proto",
     ],