diff --git a/Lib/hmac.py b/Lib/hmac.py
index 88c3fd5..52af590 100644
--- a/Lib/hmac.py
+++ b/Lib/hmac.py
@@ -3,8 +3,8 @@
 Implements the HMAC algorithm as described by RFC 2104.
 """
 
-trans_5C = "".join ([chr (x ^ 0x5C) for x in xrange(256)])
-trans_36 = "".join ([chr (x ^ 0x36) for x in xrange(256)])
+trans_5C = "".join ([chr (x ^ 0x5C) for x in range(256)])
+trans_36 = "".join ([chr (x ^ 0x36) for x in range(256)])
 
 # The size of the digests returned by HMAC depends on the underlying
 # hashing module used.  Use digest_size from the instance of HMAC instead.