diff --git a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
index e8c6d0af..4c485ace 100644
--- a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
+++ b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
@@ -54,7 +54,7 @@
 
     <div class="mb-1">
       <nav class="navbar navbar-expand-md navbar-light bg-light">
-        <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+        <button class="navbar-toggler navbar-toggler-right" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
           <span class="navbar-toggler-icon"></span>
         </button>
         <a class="navbar-brand" href="{% url 'home' %}">{% endraw %}{{ cookiecutter.project_name }}{% raw %}</a>