diff --git a/lib/BUILD b/lib/BUILD
index 4b63ce4..fd30053 100644
--- a/lib/BUILD
+++ b/lib/BUILD
@@ -3,6 +3,6 @@ licenses(["notice"])
 filegroup(
     name = "test_deps",
     srcs = ["BUILD"] + glob(["*.bzl"]),
-    test_only = True,
+    testonly = True,
     visibility = ["//visibility:public"],
 )