diff --git a/BUCK b/BUCK
new file mode 100644
index 0000000..1d6a76d
--- /dev/null
+++ b/BUCK
@@ -0,0 +1,5 @@
+gerrit_plugin(
+  name = 'commit-message-length-validator',
+  srcs = glob(['src/main/java/**/*.java']),
+  resources = glob(['src/main/resources/**/*']),
+)