diff --git a/.gitignore b/.gitignore
index 7b9a01e..1e10b15 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,7 @@
 /.project
 /.settings/org.maven.ide.eclipse.prefs
 /.settings/org.eclipse.m2e.core.prefs
+/.buckd
+/buck-cache
+/buck-out
 *.iml
diff --git a/BUCK b/BUCK
deleted file mode 100644
index 0e2621e..0000000
--- a/BUCK
+++ /dev/null
@@ -1,9 +0,0 @@
-gerrit_plugin(
-  name = 'singleusergroup',
-  srcs = glob(['src/main/java/**/*.java']),
-  resources = glob(['src/main/resources/**/*']),
-  manifest_entries = [
-    'Gerrit-PluginName: singleusergroup',
-    'Gerrit-Module: com.googlesource.gerrit.plugins.singleusergroup.SingleUserGroup$Module',
-  ],
-)
diff --git a/BUILD b/BUILD
new file mode 100644
index 0000000..d6d4eeb
--- /dev/null
+++ b/BUILD
@@ -0,0 +1,11 @@
+load("//tools/bzl:plugin.bzl", "gerrit_plugin")
+
+gerrit_plugin(
+    name = "singleusergroup",
+    srcs = glob(["src/main/java/**/*.java"]),
+    manifest_entries = [
+        "Gerrit-PluginName: singleusergroup",
+        "Gerrit-Module: com.googlesource.gerrit.plugins.singleusergroup.SingleUserGroup$Module",
+    ],
+    resources = glob(["src/main/resources/**/*"]),
+)