diff --git a/osbase/event/etcd/BUILD.bazel b/osbase/event/etcd/BUILD.bazel
new file mode 100644
index 0000000..925eeaa
--- /dev/null
+++ b/osbase/event/etcd/BUILD.bazel
@@ -0,0 +1,30 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "etcd",
+    srcs = ["etcd.go"],
+    importpath = "source.monogon.dev/osbase/event/etcd",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//osbase/event",
+        "@com_github_cenkalti_backoff_v4//:backoff",
+        "@io_etcd_go_etcd_client_v3//:client",
+    ],
+)
+
+go_test(
+    name = "etcd_test",
+    srcs = ["etcd_test.go"],
+    embed = [":etcd"],
+    deps = [
+        "//osbase/event",
+        "//osbase/logtree",
+        "@io_etcd_go_etcd_api_v3//v3rpc/rpctypes",
+        "@io_etcd_go_etcd_client_pkg_v3//testutil",
+        "@io_etcd_go_etcd_client_v3//:client",
+        "@io_etcd_go_etcd_tests_v3//integration",
+        "@org_golang_google_grpc//codes",
+        "@org_golang_google_grpc//grpclog",
+        "@org_uber_go_zap//:zap",
+    ],
+)