diff --git a/games/factorio/modproxy/modportal/BUILD.bazel b/games/factorio/modproxy/modportal/BUILD.bazel
new file mode 100644
index 0000000..051aec7
--- /dev/null
+++ b/games/factorio/modproxy/modportal/BUILD.bazel
@@ -0,0 +1,12 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["modportal.go"],
+    importpath = "code.hackerspace.pl/hscloud/games/factorio/modproxy/modportal",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@org_golang_google_grpc//codes:go_default_library",
+        "@org_golang_google_grpc//status:go_default_library",
+    ],
+)