--- a/tools/mercurial/hgsetup/config.py
+++ b/tools/mercurial/hgsetup/config.py
@@ -6,17 +6,17 @@ from __future__ import unicode_literals
 
 from configobj import ConfigObj
 import codecs
 import re
 import os
 
 
 HOST_FINGERPRINTS = {
-    'bitbucket.org': '46:de:34:e7:9b:18:cd:7f:ae:fd:8b:e3:bc:f4:1a:5e:38:d7:ac:24',
+    'bitbucket.org': '3f:d3:c5:17:23:3c:cd:f5:2d:17:76:06:93:7e:ee:97:42:21:14:aa',
     'bugzilla.mozilla.org': '7c:7a:c4:6c:91:3b:6b:89:cf:f2:8c:13:b8:02:c4:25:bd:1e:25:17',
     'hg.mozilla.org': 'af:27:b9:34:47:4e:e5:98:01:f6:83:2b:51:c9:aa:d8:df:fb:1a:27',
 }
 
 
 def config_file(files):
     """Select the most appropriate config file from a list."""
     if not files: