diff --git a/lemoncurry/jinja2/lemoncurry/layout.html b/lemoncurry/jinja2/lemoncurry/layout.html
index 50e5b35..461c0c0 100644
--- a/lemoncurry/jinja2/lemoncurry/layout.html
+++ b/lemoncurry/jinja2/lemoncurry/layout.html
@@ -29,12 +29,12 @@
 
     <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://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/monokai.min.css"
+    <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@1.4.3/css/openwebicons.min.css"
-          integrity="sha384-Ljk0G9f8GyEhAzrdHNkQc89A/Kpq+sy09gejdAPyMyTDnPe4aDfS/ppZ/rDGM0Y9" crossorigin="anonymous">
-    <link rel="stylesheet" type="text/css" href="https://unpkg.com/tippy.js@2.5.3/dist/tippy.css"
-          integrity="sha384-JsezPuW/bNd38848K5/8rIEbB+23QGQ8faCF8xEmjFT3i1qujgGiewfYevzMO3J1" crossorigin="anonymous">
+    <link rel="stylesheet" type="text/css" href="https://unpkg.com/openwebicons@1.6.0/css/openwebicons.min.css"
+          integrity="sha384-NkRWM9o4Kfak7GwS+un+sProBBpj02vc/e1EoXvdCUSdRk0muOfkKJ5NtpueAuka" crossorigin="anonymous">
+    <link rel="stylesheet" type="text/css" href="https://unpkg.com/tippy.js@3.4.1/dist/tippy.css"
+          integrity="sha384-hm3Wtrva6FibonAOqHHXSpMxvGbz2g7l5FK5avbuNviir5MK6Ap4o3EOohztzHHm" crossorigin="anonymous">
     {% compress css %}
     <link rel="stylesheet" type="text/stylus" href="{{ static('lemoncurry/css/layout.styl') }}">
     {% block styles %}{% endblock %}
@@ -151,10 +151,10 @@
             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/highlight.js/9.12.0/highlight.min.js" crossorigin="anonymous"
-            integrity="sha384-ZeLYJ2PNSQjvogWP559CDAf02Qb8FE5OyQicqtz/+UhZutbrwyr87Be7NPH/RgyC"></script>
-    <script src="https://unpkg.com/tippy.js@2.5.3/dist/tippy.standalone.min.js" crossorigin="anonymous"
-            integrity="sha384-gjyGiD2dtEQTRXgwpz7EwD4qe9PW4bLA9/z+J1zD8BV+clxUHXiyAZWqkzce2qYV"></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"
+            integrity="sha384-x7dGoSfOWUdyPccAel9dkWte6n8GxDWbByavEixRzW0O9xvPGzg3y0qzZBwGNUw9"></script>
     {% compress js %}
     <script type="text/javascript">
       hljs.initHighlightingOnLoad();