diff --git a/{{cookiecutter.project_slug}}/package.json b/{{cookiecutter.project_slug}}/package.json
index a724f87a5..6edf2e114 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": "4.1.1",
+    "bootstrap": "4.3.1",
     "gulp-concat": "^2.6.1",
     "jquery": "3.3.1",
     "popper.js": "1.14.3",
diff --git a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
index 4470e955a..9caab43aa 100644
--- a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
+++ b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/base.html
@@ -17,8 +17,8 @@
 
     {% block css %}
     {% endraw %}{% if cookiecutter.custom_bootstrap_compilation == "n" %}{% raw %}
-    <!-- Latest compiled and minified Bootstrap 4.1.1 CSS -->
-    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" integrity="sha384-WskhaSGFgHYWDcbwN70/dfYBj47jz9qbsMId/iRN3ewGhXQFZCSftd1LZCfmhktB" crossorigin="anonymous">
+    <!-- Latest compiled and minified Bootstrap CSS -->
+    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
     {% endraw %}{% endif %}{% raw %}
 
     <!-- Your stuff: Third-party CSS libraries go here -->
@@ -102,10 +102,10 @@
       <script src="{% static 'js/vendors.js' %}"></script>
       {% endraw %}{% if cookiecutter.use_compressor == "y" %}{% raw %}{% endcompress %}{% endraw %}{% endif %}{% raw %}
       {% endraw %}{% else %}{% raw %}
-      <!-- Required by Bootstrap v4.1.1 -->
+      <!-- Bootstrap JS and its dependencies-->
       <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
       <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
-      <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js" integrity="sha384-smHYKdLADwkXOn1EmN1qk/HfnUcbVRZyYmZ4qpPea6sjB/pTJ0euyQp0Mk8ck+5T" crossorigin="anonymous"></script>
+      <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
 
       <!-- Your stuff: Third-party javascript libraries go here -->
       {% endraw %}{% endif %}{% raw %}