diff --git a/tests/simd/BUILD b/tests/simd/BUILD
index 6c9032391..c9cee5978 100644
--- a/tests/simd/BUILD
+++ b/tests/simd/BUILD
@@ -9,5 +9,8 @@ glob_lit_tests(
     name = "all_tests",
     data = ["@heir//tests:test_utilities"],
     driver = "@heir//tests:run_lit.sh",
+    size_override = {
+        "box_blur_64x64.mlir": "large",
+    },
     test_file_exts = ["mlir"],
 )