diff --git a/tools/profiling/microbenchmarks/bm_diff.py b/tools/profiling/microbenchmarks/bm_diff.py
index c0acf2a91ff300938e66eca90564dd074f9f108f..2337f2b282e718fb22eb2723dad697b88c44bfa2 100755
--- a/tools/profiling/microbenchmarks/bm_diff.py
+++ b/tools/profiling/microbenchmarks/bm_diff.py
@@ -102,7 +102,7 @@ argp.add_argument('-t', '--track',
 argp.add_argument('-b', '--benchmarks', nargs='+', choices=_AVAILABLE_BENCHMARK_TESTS, default=['bm_cq'])
 argp.add_argument('-d', '--diff_base', type=str)
 argp.add_argument('-r', '--repetitions', type=int, default=4)
-argp.add_argument('-p', '--p_threshold', type=float, default=0.03)
+argp.add_argument('-p', '--p_threshold', type=float, default=0.01)
 args = argp.parse_args()
 
 assert args.diff_base