diff --git a/osbase/efivarfs/BUILD.bazel b/osbase/efivarfs/BUILD.bazel
new file mode 100644
index 0000000..7f7539f
--- /dev/null
+++ b/osbase/efivarfs/BUILD.bazel
@@ -0,0 +1,32 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "efivarfs",
+    srcs = [
+        "boot.go",
+        "devicepath.go",
+        "efivarfs.go",
+        "variables.go",
+    ],
+    importpath = "source.monogon.dev/osbase/efivarfs",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//osbase/msguid",
+        "@com_github_google_uuid//:uuid",
+        "@org_golang_x_text//encoding/unicode",
+    ],
+)
+
+go_test(
+    name = "efivarfs_test",
+    srcs = [
+        "boot_test.go",
+        "devicepath_test.go",
+    ],
+    embed = [":efivarfs"],
+    gc_goopts = ["-d=libfuzzer"],
+    deps = [
+        "@com_github_google_go_cmp//cmp",
+        "@com_github_google_uuid//:uuid",
+    ],
+)