diff --git a/metropolis/pkg/tpm/BUILD.bazel b/metropolis/pkg/tpm/BUILD.bazel
index d06ff37..7ea5b87 100644
--- a/metropolis/pkg/tpm/BUILD.bazel
+++ b/metropolis/pkg/tpm/BUILD.bazel
@@ -7,7 +7,7 @@
         "tpm.go",
     ],
     importpath = "git.monogon.dev/source/nexantic.git/metropolis/pkg/tpm",
-    visibility = ["//visibility:public"],
+    visibility = ["//metropolis:__subpackages__"],
     deps = [
         "//metropolis/pkg/logtree:go_default_library",
         "//metropolis/pkg/sysfs:go_default_library",