diff --git a/mkdocs/themes/mkdocs/keyboard-modal.html b/mkdocs/themes/mkdocs/keyboard-modal.html
index 43fd561f06..5224a73622 100644
--- a/mkdocs/themes/mkdocs/keyboard-modal.html
+++ b/mkdocs/themes/mkdocs/keyboard-modal.html
@@ -3,7 +3,7 @@
         <div class="modal-content">
             <div class="modal-header">
                 <h4 class="modal-title" id="keyboardModalLabel">{% trans %}Keyboard Shortcuts{% endtrans %}</h4>
-                <button type="button" class="close" data-bs-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">{% trans %}Close{% endtrans %}</span></button>
+                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="{% trans %}Close{% endtrans %}"></button>
             </div>
             <div class="modal-body">
               <table class="table">
diff --git a/mkdocs/themes/mkdocs/search-modal.html b/mkdocs/themes/mkdocs/search-modal.html
index f7dbb9bf8d..e80b28b0e2 100644
--- a/mkdocs/themes/mkdocs/search-modal.html
+++ b/mkdocs/themes/mkdocs/search-modal.html
@@ -3,7 +3,7 @@
         <div class="modal-content">
             <div class="modal-header">
                 <h4 class="modal-title" id="searchModalLabel">{% trans %}Search{% endtrans %}</h4>
-                <button type="button" class="close" data-bs-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">{% trans %}Close{% endtrans %}</span></button>
+                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="{% trans %}Close{% endtrans %}"></button>
             </div>
             <div class="modal-body">
                 <p>{% trans %}From here you can search these documents. Enter your search terms below.{% endtrans %}</p>