diff --git a/{{cookiecutter.project_slug}}/package.json b/{{cookiecutter.project_slug}}/package.json
index 95df37034..b50268d42 100644
--- a/{{cookiecutter.project_slug}}/package.json
+++ b/{{cookiecutter.project_slug}}/package.json
@@ -5,7 +5,7 @@
   "devDependencies": {
     {% if cookiecutter.js_task_runner == 'Gulp' -%}
     {% if cookiecutter.custom_bootstrap_compilation == 'y' -%}
-    "bootstrap": "5.0.2",
+    "bootstrap": "5.1.1",
     "gulp-concat": "^2.6.1",
     "@popperjs/core": "2.9.2",
     {% endif -%}
diff --git a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
index 3953f1702..e8c6d0afe 100644
--- a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
+++ b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
@@ -13,7 +13,7 @@
     {% block css %}
     {%- endraw %}{% if cookiecutter.custom_bootstrap_compilation == "n" %}{% raw %}
     <!-- Latest compiled and minified Bootstrap CSS -->
-    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/5.0.2/css/bootstrap.min.css" integrity="sha512-usVBAd66/NpVNfBge19gws2j6JZinnca12rAe2l+d+QkLU9fiG02O1X8Q6hepIpr/EYKZvKx/I9WsnujJuOmBA==" crossorigin="anonymous" referrerpolicy="no-referrer" />
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.1.1/css/bootstrap.min.css" integrity="sha512-6KY5s6UI5J7SVYuZB4S/CZMyPylqyyNZco376NM2Z8Sb8OxEdp02e1jkKk/wZxIEmjQ6DRCEBhni+gpr9c4tvA==" crossorigin="anonymous" referrerpolicy="no-referrer" />
     {%- endraw %}{% endif %}{% raw %}
 
     <!-- Your stuff: Third-party CSS libraries go here -->
@@ -37,7 +37,7 @@
       {%- endraw %}{% if cookiecutter.use_compressor == "y" %}{% raw %}{% endcompress %}{% endraw %}{% endif %}{% raw %}
       {%- endraw %}{% else %}{% raw %}
       <!-- Bootstrap JS -->
-      <script defer src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/5.0.2/js/bootstrap.bundle.min.js" integrity="sha512-72WD92hLs7T5FAXn3vkNZflWG6pglUDDpm87TeQmfSg8KnrymL2G30R7as4FmTwhgu9H7eSzDCX3mjitSecKnw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
+      <script defer src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.1.1/js/bootstrap.min.js" integrity="sha512-ewfXo9Gq53e1q1+WDTjaHAGZ8UvCWq0eXONhwDuIoaH8xz2r96uoAYaQCm1oQhnBfRXrvJztNXFsTloJfgbL5Q==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
       <!-- Your stuff: Third-party javascript libraries go here -->
       {%- endraw %}{% endif %}{% raw %}