diff --git a/static/themes/default/css/main.css b/static/themes/default/css/main.css
index c5e55f5a8..806b202e1 100644
--- a/static/themes/default/css/main.css
+++ b/static/themes/default/css/main.css
@@ -173,6 +173,12 @@ label {
     margin-bottom: 0.5rem;
 }
 
+/* Form group has been removed in Bootstrap 5, need updated
+   django-bootstrap-form */
+.form-group {
+    margin-bottom: 1rem;
+}
+
 /* Form error display was changed in bootstrap 4, provide compatibility */
 .has-error .help-block,
 .has-error .control-label,