diff --git a/lemoncurry/jinja2/lemoncurry/layout.html b/lemoncurry/jinja2/lemoncurry/layout.html
index 461c0c0..0727591 100644
--- a/lemoncurry/jinja2/lemoncurry/layout.html
+++ b/lemoncurry/jinja2/lemoncurry/layout.html
@@ -27,8 +27,8 @@
     <link rel="{{ i.rel }}" type="{{ i.mime }}" sizes="{{ i.sizes }}" href="{{ i.url }}" />
     {% endfor %}
 
-    <link rel="stylesheet" type="text/css" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css"
-          integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
+    <link rel="stylesheet" type="text/css" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
+          integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
     <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.13.1/styles/monokai.min.css"
           integrity="sha384-bHqbpRh/XW+phptvH9nQvMKHwPH1ZbOxpIeAB2D2OIEL4Ni7aZzZgMFpsRra+v1g" crossorigin="anonymous">
     <link rel="stylesheet" type="text/css" href="https://unpkg.com/openwebicons@1.6.0/css/openwebicons.min.css"
@@ -147,10 +147,10 @@
 
     <script src="https://code.jquery.com/jquery-3.3.1.min.js" crossorigin="anonymous"
             integrity="sha384-tsQFqpEReu7ZLhBV2VZlAu7zcOV+rXbYlF2cqB8txI/8aZajjp4Bqd+V6D5IgvKT"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js" crossorigin="anonymous"
-            integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut"></script>
-    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js" crossorigin="anonymous"
-            integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" crossorigin="anonymous"
+            integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1"></script>
+    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" crossorigin="anonymous"
+            integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.13.1/highlight.min.js" crossorigin="anonymous"
             integrity="sha384-BlPof9RtjBqeJFskKv3sK3dh4Wk70iKlpIe92FeVN+6qxaGUOUu+mZNpALZ+K7ya"></script>
     <script src="https://unpkg.com/tippy.js@3.4.1/dist/tippy.standalone.min.js" crossorigin="anonymous"