diff --git a/src/index.php b/src/index.php
index 5d9dfeb..85e82aa 100644
--- a/src/index.php
+++ b/src/index.php
@@ -127,7 +127,8 @@ class SyncedTimer
                     "soundEnabled" => $userdata["soundEnabled"],
                     "repeatEnabled" => $userdata["repeatEnabled"],
                     "currentServerTime" => floor(microtime(true) * 1000),
-                )
+                ),
+                "version" => $GLOBALS["VERSION"],
             )));
         } else {
             http_response_code(404);
diff --git a/src/static/js/synced-timer.js b/src/static/js/synced-timer.js
index 0e16843..95b57ae 100644
--- a/src/static/js/synced-timer.js
+++ b/src/static/js/synced-timer.js
@@ -21,6 +21,10 @@ document.addEventListener('alpine:init', () => {
                     return;
                 }
 
+                if(response.version != activeSyncedTimerVersion) {
+                    location.reload()
+                }
+
                 this.currentData = response.data
                 Alpine.store("audioPlayback").isDisabledByServer = !this.currentData.soundEnabled
                 this.header = this.currentData.header
diff --git a/src/theme.php b/src/theme.php
index 462bd6f..1e3655b 100644
--- a/src/theme.php
+++ b/src/theme.php
@@ -370,6 +370,7 @@ class LandingpageTheme
         <footer>
             <script>
                 const username = "<?= $username ?>";
+                const activeSyncedTimerVersion = "<?= $GLOBALS["VERSION"] ?>"
                 var textElem = document.getElementById("timer");
                 var headerTextElem = document.getElementById("header");
                 var targetWidth = 0.9; // Proportion of full screen width