diff --git a/docs/_data/browser-bugs.yml b/docs/_data/browser-bugs.yml
index 8269a9c132..d12cb4f495 100644
--- a/docs/_data/browser-bugs.yml
+++ b/docs/_data/browser-bugs.yml
@@ -278,6 +278,16 @@
   origin: >
     Bootstrap#15298
 
+-
+  browser: >
+    Chrome (Linux)
+  summary: >
+    `<select>`'s pop-up menu is blank on some systems.
+  upstream_bug: >
+    Chromium#510079
+  origin: >
+    Bootstrap#21120
+
 -
   browser: >
     Safari