diff --git a/tools/profiling/microbenchmarks/speedup.py b/tools/profiling/microbenchmarks/speedup.py
index 5a1ed3f2cf5094108ffa9a79f83292100958978e..8af0066c9df56b9dfc441a1e4b4117631b55bd62 100644
--- a/tools/profiling/microbenchmarks/speedup.py
+++ b/tools/profiling/microbenchmarks/speedup.py
@@ -30,7 +30,7 @@
 from scipy import stats
 import math
 
-_THRESHOLD = 0.00001
+_THRESHOLD = 1e-10
 
 def scale(a, mul):
   return [x*mul for x in a]