diff --git a/github-review.el b/github-review.el
index 6528290..3a6fbf6 100644
--- a/github-review.el
+++ b/github-review.el
@@ -182,28 +182,36 @@ CALLBACK will be called back when done"
 
 (defun github-review-post-review-replies (pr-alist replies callback)
   "Submit replies to review comments inline."
-  (let-alist pr-alist
-    (-map
-     (lambda (comment)
-       (let* ((path (a-get comment 'path))
-              (position (a-get comment 'position))
-              (comment-id (alist-get (s-concat path
-                                               ":"
-                                               (number-to-string position))
-                                     github-review-pos->databaseid
-                                     nil nil 'equal))
-              (body (a-get comment 'body)))
-         (ghub-post (format "/repos/%s/%s/pulls/%s/comments/%s/replies"
-                            .owner .repo .num comment-id)
-                    nil
-                    :payload (a-alist 'body body)
-                    :headers github-review-diffheader
-                    :auth 'github-review
-                    :host (github-review-api-host pr-alist)
-                    :callback (lambda (&rest _))
-                    :errorback #'github-review-errback)))
-     replies)
-    (funcall callback)))
+  (deferred:$
+    (deferred:loop
+      replies
+      (lambda (comment)
+        (let-alist pr-alist
+          (let* ((path (a-get comment 'path))
+                 (position (a-get comment 'position))
+                 (comment-id (alist-get (s-concat path
+                                                  ":"
+                                                  (number-to-string position))
+                                        github-review-pos->databaseid
+                                        nil nil 'equal))
+                 (body (a-get comment 'body)))
+            (ghub-post (format "/repos/%s/%s/pulls/%s/comments/%s/replies"
+                               .owner .repo .num comment-id)
+                       nil
+                       :payload (a-alist 'body body)
+                       :headers github-review-diffheader
+                       :auth 'github-review
+                       :host (github-review-api-host pr-alist)
+                       :callback (lambda (&rest _))
+                       :errorback #'github-review-errback)))))
+
+    (deferred:nextc it
+      (lambda (x)
+        (funcall callback)))
+
+    (deferred:error it
+      (lambda (err)
+        (message "Got an error from the Github Reply API %S!" err)))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Code review file parsing ;;