diff --git a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
index f9b66a1c..133a0dcc 100644
--- a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
+++ b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
@@ -97,9 +97,12 @@
     <div class="container">
 
       {% if messages %}
-          {% for message in messages %}
-              <div class="alert {% if message.tags %}alert-{{ message.tags }}{% endif %}">{{ message }}<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button></div>
-          {% endfor %}
+        {% for message in messages %}
+          <div class="alert alert-dismissible {% if message.tags %}alert-{{ message.tags }}{% endif %}">
+            {{ message }}
+            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+          </div>
+        {% endfor %}
       {% endif %}
 
       {% block content %}