diff --git a/themes/bootstrap4 b/themes/bootstrap4
index 4471139..905ab86 160000
--- a/themes/bootstrap4
+++ b/themes/bootstrap4
@@ -1 +1 @@
-Subproject commit 4471139a1a419abc4e2aa94c09f0ef7550c65b00
+Subproject commit 905ab8643375567ca466033b89e33c9ca0ce559a