diff --git a/data/webmentions-since.json b/data/webmentions-since.json
index 8ed5c413..d885414b 100644
--- a/data/webmentions-since.json
+++ b/data/webmentions-since.json
@@ -1,3 +1,3 @@
 {
-  "since": "2021-03-31T18:01:03.697Z"
+  "since": "2021-03-31T18:54:00.958Z"
 }
\ No newline at end of file