diff --git a/Lib/test/pystone.py b/Lib/test/pystone.py
index 23e3b7fbf00c..56e5c91140ef 100755
--- a/Lib/test/pystone.py
+++ b/Lib/test/pystone.py
@@ -32,7 +32,7 @@
 
 """
 
-LOOPS = 1000
+LOOPS = 10000
 
 from time import clock
 
diff --git a/Tools/scripts/pystone.py b/Tools/scripts/pystone.py
index 23e3b7fbf00c..56e5c91140ef 100755
--- a/Tools/scripts/pystone.py
+++ b/Tools/scripts/pystone.py
@@ -32,7 +32,7 @@
 
 """
 
-LOOPS = 1000
+LOOPS = 10000
 
 from time import clock