diff --git a/tests/Dialect/CGGI/Transforms/BUILD b/tests/Dialect/CGGI/Transforms/BUILD
index c571e6fc6..b7ef7b210 100644
--- a/tests/Dialect/CGGI/Transforms/BUILD
+++ b/tests/Dialect/CGGI/Transforms/BUILD
@@ -6,5 +6,6 @@ glob_lit_tests(
     name = "all_tests",
     data = ["@heir//tests:test_utilities"],
     driver = "@heir//tests:run_lit.sh",
+    exclude = ["boolean_vectorizer.mlir"],  # TODO(#519): re-enable with determinism
     test_file_exts = ["mlir"],
 )