diff --git a/onedns/tests/__init__.py b/onedns/tests/__init__.py
index a35c0fa..1eb4355 100644
--- a/onedns/tests/__init__.py
+++ b/onedns/tests/__init__.py
@@ -1,7 +1,23 @@
 import os
+import StringIO
+import xml.etree.ElementTree as ET
 
 from vcr import VCR
 
+
+def scrub_auth(request):
+    xml = StringIO.StringIO(request.body)
+    tree = ET.parse(xml)
+    root = tree.getroot()
+    auth_param = tree.findall('./params/param/value/string')[0]
+    auth_param.text = 'someuser:sometoken'
+    scrubbed = StringIO.StringIO()
+    tree.write(scrubbed)
+    scrubbed.seek(0)
+    request.body = scrubbed.read()
+    return request
+
+
 vcr = VCR(
     serializer='yaml',
     cassette_library_dir=os.path.join(
@@ -10,4 +26,5 @@ vcr = VCR(
     record_mode='once',
     decode_compressed_response=True,
     path_transformer=VCR.ensure_suffix('.yaml'),
+    before_record=scrub_auth,
 )