diff --git a/pywb/recorder/multifilewarcwriter.py b/pywb/recorder/multifilewarcwriter.py
index 9c0396ef..06f980bb 100644
--- a/pywb/recorder/multifilewarcwriter.py
+++ b/pywb/recorder/multifilewarcwriter.py
@@ -44,6 +44,9 @@ class MultiFileWARCWriter(BaseWARCWriter):
         if not self.dedup_index or record.rec_type != 'response':
             return record
 
+        # ensure payload digest is computed at this point
+        self.ensure_digest(record, block=False, payload=True)
+
         try:
             url = record.rec_headers.get_header('WARC-Target-URI')
             digest = record.rec_headers.get_header('WARC-Payload-Digest')
diff --git a/pywb/recorder/recorderapp.py b/pywb/recorder/recorderapp.py
index 8641fc61..56d897ef 100644
--- a/pywb/recorder/recorderapp.py
+++ b/pywb/recorder/recorderapp.py
@@ -2,6 +2,8 @@ from pywb.webagg.utils import StreamIter, BUFF_SIZE
 from pywb.webagg.utils import ParamFormatter, res_template
 from pywb.webagg.inputrequest import DirectWSGIInputRequest
 
+from warcio.recordloader import ArcWarcRecordLoader
+
 from pywb.recorder.filters import SkipRangeRequestFilter, CollectionFilter
 
 from six.moves.urllib.parse import parse_qsl
@@ -69,7 +71,7 @@ class RecorderApp(object):
 
             resp_length = resp_pay.tell()
             resp_pay.seek(0)
-            resp = self.writer.create_record_from_stream(resp_pay, resp_length)
+            resp = ArcWarcRecordLoader().parse_record_stream(resp_pay)
 
             if resp.rec_type == 'response':
                 uri = resp.rec_headers.get_header('WARC-Target-Uri')
diff --git a/requirements.txt b/requirements.txt
index 5e6367b9..61b4653a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 six
-warcio==1.2
+warcio==1.3
 chardet
 requests
 redis