diff --git a/osbase/sysfs/BUILD.bazel b/osbase/sysfs/BUILD.bazel
new file mode 100644
index 0000000..9e25da1
--- /dev/null
+++ b/osbase/sysfs/BUILD.bazel
@@ -0,0 +1,12 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "sysfs",
+    srcs = [
+        "block.go",
+        "uevents.go",
+    ],
+    importpath = "source.monogon.dev/osbase/sysfs",
+    visibility = ["//visibility:public"],
+    deps = ["@com_github_google_uuid//:uuid"],
+)