diff -ur rubber-1.1/src/util.py rubber-1.1.new/src/util.py
--- rubber-1.1/src/util.py	2006-03-17 14:52:45.000000000 +0100
+++ rubber-1.1.new/src/util.py	2009-06-15 16:05:57.000000000 +0200
@@ -5,7 +5,7 @@
 by the modules for various tasks.
 """
 
-import md5
+import hashlib
 import os, stat, time
 import imp
 import re, string
@@ -19,7 +19,7 @@
 	"""
 	Compute the MD5 sum of a given file.
 	"""
-	m = md5.new()
+	m = hashlib.md5()
 	file = open(fname)
 	for line in file.readlines():
 		m.update(line)