diff --git a/lib/plausible_web/templates/layout/app.html.eex b/lib/plausible_web/templates/layout/app.html.eex
index 077ec877e..ece51b95e 100644
--- a/lib/plausible_web/templates/layout/app.html.eex
+++ b/lib/plausible_web/templates/layout/app.html.eex
@@ -8,7 +8,7 @@
     <link rel="icon" type="image/png" sizes="32x32" href="<%= PlausibleWeb.Router.Helpers.static_path(@conn, "/images/icon/plausible_favicon.png") %>">
     <title><%= assigns[:title] || "Plausible · Simple, open-source web analytics" %></title>
     <link rel="stylesheet" href="<%= Routes.static_path(@conn, "/css/app.css") %>"/>
-    <link rel="stylesheet" type="text/css" href="https://npmcdn.com/flatpickr/dist/themes/airbnb.css">
+    <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/flatpickr/4.6.3/flatpickr.min.css">
     <%= render("_tracking.html", assigns) %>
   </head>
   <body class="flex flex-col h-full bg-gray-100">
