diff --git a/src/DataTables/AttachmentDataTable.php b/src/DataTables/AttachmentDataTable.php
index 3a113ccf..c8988ea1 100644
--- a/src/DataTables/AttachmentDataTable.php
+++ b/src/DataTables/AttachmentDataTable.php
@@ -166,7 +166,7 @@ final class AttachmentDataTable implements DataTableTypeInterface
                 }
 
                 return sprintf(
-                    '<span class="badge badge-warning">
+                    '<span class="badge bg-warning">
                         <i class="fas fa-exclamation-circle fa-fw"></i>%s
                         </span>',
                     $this->translator->trans('attachment.file_not_found')
diff --git a/src/DataTables/Column/TagsColumn.php b/src/DataTables/Column/TagsColumn.php
index b0364cd7..d02dc1f9 100644
--- a/src/DataTables/Column/TagsColumn.php
+++ b/src/DataTables/Column/TagsColumn.php
@@ -79,7 +79,7 @@ class TagsColumn extends AbstractColumn
                 break;
             }
             $html .= sprintf(
-                '<a href="%s" class="badge badge-primary badge-table">%s</a>',
+                '<a href="%s" class="badge bg-primary badge-table">%s</a>',
                 $this->urlGenerator->generate('part_list_tags', ['tag' => $tag]),
                 htmlspecialchars($tag)
             );