diff --git a/metropolis/pkg/logbuffer/BUILD.bazel b/metropolis/pkg/logbuffer/BUILD.bazel
new file mode 100644
index 0000000..57a85d8
--- /dev/null
+++ b/metropolis/pkg/logbuffer/BUILD.bazel
@@ -0,0 +1,22 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "linebuffer.go",
+        "logbuffer.go",
+    ],
+    importpath = "git.monogon.dev/source/nexantic.git/metropolis/pkg/logbuffer",
+    visibility = ["//visibility:public"],
+    deps = ["//metropolis/proto/api:go_default_library"],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = [
+        "linebuffer_test.go",
+        "logbuffer_test.go",
+    ],
+    embed = [":go_default_library"],
+    deps = ["@com_github_stretchr_testify//require:go_default_library"],
+)