diff --git a/scripts/benchmark-vs-prev-release.sh b/scripts/benchmark-vs-prev-release.sh
index cbda8e6e..14e37ae8 100755
--- a/scripts/benchmark-vs-prev-release.sh
+++ b/scripts/benchmark-vs-prev-release.sh
@@ -74,7 +74,7 @@ function benchmark_test_option {
 function benchmark_pi_1e17 {
     # New code must not be more than 
     # 2% slower than old code.
-    factor=1.02
+    factor=1.03
 
     # Test failure must be observed 3 times,
     # we try to avoid false negatives.