diff --git a/gulpfile.js b/gulpfile.js
index d635dbe..f0999ea 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -6,6 +6,7 @@ const cssnano = require('cssnano');
 const terser = require('gulp-terser');
 const jsonminify = require('gulp-jsonminify');
 const htmlmin = require('gulp-html-minifier-terser');
+const replace = require('gulp-replace');
 
 // Paths for tasks
 let paths = {
@@ -119,6 +120,10 @@ const staticFiles = (cb) => {
 
 const pages = () => {
   return src(paths.pages.src)
+    .pipe(replace(
+      "{BUILD_TIME}",
+      Math.floor(Date.now() / 1000)
+    ))
     .pipe(htmlmin({
       html5: true,
       caseSensitive: true,
diff --git a/package.json b/package.json
index 62380e7..57f4113 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
     "gulp-html-minifier-terser": "^7.1.0",
     "gulp-jsonminify": "^1.1.0",
     "gulp-postcss": "^10.0.0",
-    "gulp-terser": "^2.1.0"
+    "gulp-terser": "^2.1.0",
+    "gulp-replace": "^1.1.4"
   }
 }
diff --git a/src_data/pages/dashboard.html b/src_data/pages/dashboard.html
index c4a9a59..3584c72 100644
--- a/src_data/pages/dashboard.html
+++ b/src_data/pages/dashboard.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title data-i18n>dashboard.title</title>
-    <link rel="stylesheet" href="/static/app.css" />
+    <link rel="stylesheet" href="/static/app.css?{BUILD_TIME}" />
   </head>
 
   <body>
@@ -224,7 +224,7 @@
       </small>
     </footer>
 
-    <script src="/static/app.js"></script>
+    <script src="/static/app.js?{BUILD_TIME}"></script>
     <script>
       let modifiedTime = null;
       let noRegulators;
diff --git a/src_data/pages/index.html b/src_data/pages/index.html
index f681058..132eaac 100644
--- a/src_data/pages/index.html
+++ b/src_data/pages/index.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title data-i18n>index.title</title>
-    <link rel="stylesheet" href="/static/app.css" />
+    <link rel="stylesheet" href="/static/app.css?{BUILD_TIME}" />
   </head>
 
   <body>
@@ -161,7 +161,7 @@
       </small>
     </footer>
 
-    <script src="/static/app.js"></script>
+    <script src="/static/app.js?{BUILD_TIME}"></script>
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const lang = new Lang(document.getElementById('lang'));
diff --git a/src_data/pages/network.html b/src_data/pages/network.html
index 6005ac5..aa6945d 100644
--- a/src_data/pages/network.html
+++ b/src_data/pages/network.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title data-i18n>network.title</title>
-    <link rel="stylesheet" href="/static/app.css" />
+    <link rel="stylesheet" href="/static/app.css?{BUILD_TIME}" />
   </head>
 
   <body>
@@ -171,7 +171,7 @@
       </small>
     </footer>
 
-    <script src="/static/app.js"></script>
+    <script src="/static/app.js?{BUILD_TIME}"></script>
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const lang = new Lang(document.getElementById('lang'));
diff --git a/src_data/pages/sensors.html b/src_data/pages/sensors.html
index 9373ed4..617300e 100644
--- a/src_data/pages/sensors.html
+++ b/src_data/pages/sensors.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title data-i18n>sensors.title</title>
-    <link rel="stylesheet" href="/static/app.css" />
+    <link rel="stylesheet" href="/static/app.css?{BUILD_TIME}" />
   </head>
 
   <body>
@@ -169,7 +169,7 @@
       </small>
     </footer>
 
-    <script src="/static/app.js"></script>
+    <script src="/static/app.js?{BUILD_TIME}"></script>
     <script>
       document.addEventListener("DOMContentLoaded", async () => {
         const lang = new Lang(document.getElementById("lang"));
diff --git a/src_data/pages/settings.html b/src_data/pages/settings.html
index e06eb7e..807ec9b 100644
--- a/src_data/pages/settings.html
+++ b/src_data/pages/settings.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title data-i18n>settings.title</title>
-    <link rel="stylesheet" href="/static/app.css" />
+    <link rel="stylesheet" href="/static/app.css?{BUILD_TIME}" />
   </head>
 
   <body>
@@ -662,7 +662,7 @@
       </small>
     </footer>
 
-    <script src="/static/app.js"></script>
+    <script src="/static/app.js?{BUILD_TIME}"></script>
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const lang = new Lang(document.getElementById('lang'));
diff --git a/src_data/pages/upgrade.html b/src_data/pages/upgrade.html
index d438df2..86521e2 100644
--- a/src_data/pages/upgrade.html
+++ b/src_data/pages/upgrade.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title data-i18n>upgrade.title</title>
-    <link rel="stylesheet" href="/static/app.css">
+    <link rel="stylesheet" href="/static/app.css?{BUILD_TIME}">
   </head>
 
   <body>
@@ -97,7 +97,7 @@
       </small>
     </footer>
 
-    <script src="/static/app.js"></script>
+    <script src="/static/app.js?{BUILD_TIME}"></script>
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const lang = new Lang(document.getElementById('lang'));
