diff --git a/Dockerfile b/Dockerfile
index dace743..3946a0c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-slim
+FROM python:3.13-slim
 
 WORKDIR /app
 COPY . .
diff --git a/README.md b/README.md
index d1b7864..7529d54 100644
--- a/README.md
+++ b/README.md
@@ -196,9 +196,6 @@ Save the file. You will still need to create a copy of `config-example.yml` and
 Docker setup nothing has actually been downloaded yet, so you will have to copy the example from the repository some
 other way, e.g. [from the repo in a web browser](https://git.ianrenton.com/ian/spothole/src/branch/main/config-example.yml).
 
-You will also need to create the `cache` subdirectory manually, as Spothole cannot create it itself when running in the
-container.
-
 With that in place, run `docker compose up -d` and you should be good to go.
 
 ### Multiple cluster nodes with different settings
diff --git a/templates/add_spot.html b/templates/add_spot.html
index dec520a..e2e90af 100644
--- a/templates/add_spot.html
+++ b/templates/add_spot.html
@@ -76,7 +76,7 @@
 
 </div>
 
-<script src="/static/js/add-spot.js?v=1785957271"></script>
+<script src="/static/js/add-spot.js?v=1785957850"></script>
 <script>$(document).ready(function () {
     $("#nav-link-add-spot").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/alerts.html b/templates/alerts.html
index 5e39abc..66b6260 100644
--- a/templates/alerts.html
+++ b/templates/alerts.html
@@ -75,7 +75,7 @@
 
 </div>
 
-<script src="/static/js/alerts.js?v=1785957271"></script>
+<script src="/static/js/alerts.js?v=1785957850"></script>
 <script>$(document).ready(function () {
     $("#nav-link-alerts").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/bands.html b/templates/bands.html
index 216bc30..ed6e978 100644
--- a/templates/bands.html
+++ b/templates/bands.html
@@ -75,8 +75,8 @@
 <script>
     let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %};
 </script>
-<script src="/static/js/spotsbandsandmap.js?v=1785957271"></script>
-<script src="/static/js/bands.js?v=1785957271"></script>
+<script src="/static/js/spotsbandsandmap.js?v=1785957850"></script>
+<script src="/static/js/bands.js?v=1785957850"></script>
 <script>$(document).ready(function () {
     $("#nav-link-bands").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/base.html b/templates/base.html
index 3e6122e..ff0f19f 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -1,6 +1,6 @@
 {% extends "skeleton.html" %}
 {% block head_extra %}
-<link rel="stylesheet" href="/static/css/style.css?v=1785957271" type="text/css">
+<link rel="stylesheet" href="/static/css/style.css?v=1785957850" type="text/css">
 <link href="/static/vendor/css/bootstrap-5.3.8.min.css" rel="stylesheet">
 <link href="/static/vendor/css/fontawesome-6.7.2.min.css" rel="stylesheet">
 <link href="/static/vendor/css/solid-6.7.2.min.css" rel="stylesheet">
@@ -10,10 +10,10 @@
 <script src="/static/vendor/js/bootstrap-5.3.8.bundle.min.js"></script>
 <script src="/static/vendor/js/tinycolor2-1.6.0.min.js"></script>
 
-<script src="/static/js/utils.js?v=1785957271"></script>
-<script src="/static/js/ui-ham.js?v=1785957271"></script>
-<script src="/static/js/geo.js?v=1785957271"></script>
-<script src="/static/js/common.js?v=1785957271"></script>
+<script src="/static/js/utils.js?v=1785957850"></script>
+<script src="/static/js/ui-ham.js?v=1785957850"></script>
+<script src="/static/js/geo.js?v=1785957850"></script>
+<script src="/static/js/common.js?v=1785957850"></script>
 {% end %}
 {% block body %}
 <div class="container">
diff --git a/templates/conditions.html b/templates/conditions.html
index 48ae3df..001146a 100644
--- a/templates/conditions.html
+++ b/templates/conditions.html
@@ -284,7 +284,7 @@
 </div>
 
 <script src="/static/vendor/js/chart-4.4.9.umd.min.js"></script>
-<script src="/static/js/conditions.js?v=1785957271"></script>
+<script src="/static/js/conditions.js?v=1785957850"></script>
 <script>$(document).ready(function () {
     $("#nav-link-conditions").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/map.html b/templates/map.html
index bf978ba..4e785e0 100644
--- a/templates/map.html
+++ b/templates/map.html
@@ -108,8 +108,8 @@
 <script>
     let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %};
 </script>
-<script src="/static/js/spotsbandsandmap.js?v=1785957270"></script>
-<script src="/static/js/map.js?v=1785957270"></script>
+<script src="/static/js/spotsbandsandmap.js?v=1785957850"></script>
+<script src="/static/js/map.js?v=1785957850"></script>
 <script>$(document).ready(function () {
     $("#nav-link-map").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/spots.html b/templates/spots.html
index b5ba679..b3282dc 100644
--- a/templates/spots.html
+++ b/templates/spots.html
@@ -116,8 +116,8 @@
 <script>
     let spotProvidersEnabledByDefault = {% raw json_encode(web_ui_options["spot-providers-enabled-by-default"]) %};
 </script>
-<script src="/static/js/spotsbandsandmap.js?v=1785957270"></script>
-<script src="/static/js/spots.js?v=1785957270"></script>
+<script src="/static/js/spotsbandsandmap.js?v=1785957850"></script>
+<script src="/static/js/spots.js?v=1785957850"></script>
 <script>$(document).ready(function () {
     $("#nav-link-spots").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/status.html b/templates/status.html
index a9d5a71..7354f46 100644
--- a/templates/status.html
+++ b/templates/status.html
@@ -59,7 +59,7 @@
     </div>
 </div>
 
-<script src="/static/js/status.js?v=1785957271"></script>
+<script src="/static/js/status.js?v=1785957850"></script>
 <script>
     $(document).ready(function () {
         $("#nav-link-status").addClass("active");