diff --git a/docs/_data/browser-bugs.yml b/docs/_data/browser-bugs.yml
index f56b06cd961a946fdf395bdccd1d86aa2eb1b25c..a610d1b56fe39395191da4d4e742a50093d112b7 100644
--- a/docs/_data/browser-bugs.yml
+++ b/docs/_data/browser-bugs.yml
@@ -350,6 +350,16 @@
   origin: >
     Bootstrap#14839
 
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Scroll gesture in text field in `position:fixed` element sometimes scrolls `<body>` instead of scrollable ancestor
+  upstream_bug: >
+    WebKit#153856
+  origin: >
+    Bootstrap#14839
+
 -
   browser: >
     Safari (iPad Pro)