diff --git a/osbase/freeport/BUILD.bazel b/osbase/freeport/BUILD.bazel
new file mode 100644
index 0000000..b0fcd25
--- /dev/null
+++ b/osbase/freeport/BUILD.bazel
@@ -0,0 +1,8 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "freeport",
+    srcs = ["freeport.go"],
+    importpath = "source.monogon.dev/osbase/freeport",
+    visibility = ["//visibility:public"],
+)