diff --git a/y2016/control_loops/BUILD b/y2016/control_loops/BUILD
new file mode 100644
index 0000000..de3bfeb
--- /dev/null
+++ b/y2016/control_loops/BUILD
@@ -0,0 +1,6 @@
+py_library(
+    name = "python_init",
+    srcs = ["__init__.py"],
+    visibility = ["//visibility:public"],
+    deps = ["//y2016:python_init"],
+)