diff --git a/tools/build_defs/pkg/BUILD b/tools/build_defs/pkg/BUILD
index 31851d7b96ad46..546cc4b9be1ec1 100644
--- a/tools/build_defs/pkg/BUILD
+++ b/tools/build_defs/pkg/BUILD
@@ -31,7 +31,10 @@ py_library(
 
 filegroup(
     name = "archive_testdata",
-    srcs = glob(["testdata/**"]),
+    srcs = glob(
+        ["testdata/**"],
+        allow_empty = True,
+    ),
 )
 
 py_test(