diff --git a/app/Core/Konstanty.php b/app/Core/Konstanty.php
new file mode 100644
index 0000000..8dbe568
--- /dev/null
+++ b/app/Core/Konstanty.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Core;
+
+final class Konstanty
+{
+    /**
+     * Verze aplikace.
+     * @var string
+     */
+    public const verze = '1.1';
+
+}
\ No newline at end of file
diff --git a/app/Presentation/@layout.latte b/app/Presentation/@layout.latte
index a2fb7ae..b4abc38 100644
--- a/app/Presentation/@layout.latte
+++ b/app/Presentation/@layout.latte
@@ -5,8 +5,8 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" />
 
 	{* bootstrap: *}                                       
-  	<link href="{$basePath}/css/bootstrap.min.css" rel="stylesheet">
-	<script src="{$basePath}/js/bootstrap.bundle.min.js"></script> 
+  	<link href="{$basePath}/css/bootstrap.min.css?v={$appVersion ?? '1.0'}" rel="stylesheet">
+	<script src="{$basePath}/js/bootstrap.bundle.min.js?v={$appVersion ?? '1.0'}"></script> 
 
 	{* LeafLet: *}
 	<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
@@ -15,11 +15,11 @@
 	<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
      integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo="
      crossorigin=""></script>
-	<script src="{$basePath}/js/mapove-podklady.js?v=1"></script>
+	<script src="{$basePath}/js/mapove-podklady.js?v={$appVersion ?? '1.0'}"></script>
 
 	{* Locate-Control *}
-	<link rel="stylesheet" href="{$basePath}/locate/L.Control.Locate.min.css" />
-	<script src="{$basePath}/locate/L.Control.Locate.min.js" charset="utf-8"></script>
+	<link rel="stylesheet" href="{$basePath}/locate/L.Control.Locate.min.css?v={$appVersion ?? '1.0'}" />
+	<script src="{$basePath}/locate/L.Control.Locate.min.js?v={$appVersion ?? '1.0'}" charset="utf-8"></script>
 
 	{* jquery *}
 	<script
@@ -29,7 +29,7 @@
 	</script>
 
 	{* naše vlastní styly *}
-	<link href="{$basePath}/css/base.css?v=10" rel="stylesheet">
+	<link href="{$basePath}/css/base.css?v={$appVersion ?? '1.0'}" rel="stylesheet">
 
 	<title>{ifset title}{include title|stripHtml} | {/ifset}Obvody</title>
 </head>
diff --git a/app/Presentation/BasePresenter.php b/app/Presentation/BasePresenter.php
index a3196b8..b3634ed 100644
--- a/app/Presentation/BasePresenter.php
+++ b/app/Presentation/BasePresenter.php
@@ -5,7 +5,7 @@ declare(strict_types=1);
 namespace App\Presentation;
 
 use Nette;
-
+use App\Core\Konstanty;
 
 abstract class BasePresenter extends Nette\Application\UI\Presenter
 {
@@ -17,4 +17,9 @@ abstract class BasePresenter extends Nette\Application\UI\Presenter
             $this->redirect(':Sign:in', ['backlink' => $this->storeRequest()]);
         }
     }
+
+    public function beforeRender(): void
+    {
+        $this->template->appVersion = Konstanty::verze;
+    }
 }
diff --git a/app/Presentation/Error/Error4xx/Error4xxPresenter.php b/app/Presentation/Error/Error4xx/Error4xxPresenter.php
index 3418679..e1b9099 100644
--- a/app/Presentation/Error/Error4xx/Error4xxPresenter.php
+++ b/app/Presentation/Error/Error4xx/Error4xxPresenter.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Presentation\Error\Error4xx;
 
+use App\Core\Konstanty;
 use Nette;
 use Nette\Application\Attributes\Requires;
 
@@ -14,6 +15,11 @@ use Nette\Application\Attributes\Requires;
 #[Requires(methods: '*', forward: true)]
 final class Error4xxPresenter extends Nette\Application\UI\Presenter
 {
+	public function beforeRender(): void
+	{
+		$this->template->appVersion = Konstanty::verze;
+	}
+
 	public function renderDefault(Nette\Application\BadRequestException $exception): void
 	{
 		// renders the appropriate error template based on the HTTP status code
diff --git a/app/Presentation/Home/HomePresenter.php b/app/Presentation/Home/HomePresenter.php
index f0c46f1..6492087 100644
--- a/app/Presentation/Home/HomePresenter.php
+++ b/app/Presentation/Home/HomePresenter.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Presentation\Home;
 
+use App\Core\Konstanty;
 use Nette;
 use Nette\Utils\Json;
 use Nette\Utils\FileSystem;
@@ -17,6 +18,7 @@ final class HomePresenter extends Nette\Application\UI\Presenter
 
     public function beforeRender(): void
     {
+        $this->template->appVersion = Konstanty::verze;
         if (!$this->getUser()->isLoggedIn()) {
             $this->template->navrat = $this->storeRequest();
         }
diff --git a/app/Presentation/Mapa/MapaPresenter.php b/app/Presentation/Mapa/MapaPresenter.php
index f1c0274..6fcc30b 100644
--- a/app/Presentation/Mapa/MapaPresenter.php
+++ b/app/Presentation/Mapa/MapaPresenter.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Presentation\Mapa;
 
+use App\Core\Konstanty;
 use App\Model\ZaznamFacade;
 use Nette;
 use Nette\Utils\Json;
@@ -24,6 +25,7 @@ final class MapaPresenter extends Nette\Application\UI\Presenter
 
     public function beforeRender(): void
     {
+        $this->template->appVersion = Konstanty::verze;
         if (!$this->getUser()->isLoggedIn()) {
             $this->template->navrat = $this->storeRequest();
         }
diff --git a/app/Presentation/Mapa/default.latte b/app/Presentation/Mapa/default.latte
index 6294efe..d472563 100644
--- a/app/Presentation/Mapa/default.latte
+++ b/app/Presentation/Mapa/default.latte
@@ -11,5 +11,5 @@
 <link rel="stylesheet" href="https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.css" />
 <script src="https://unpkg.com/leaflet.markercluster@1.5.3/dist/leaflet.markercluster.js"></script>
 <script type="application/json" id="stari-data">{$stariJson|noescape}</script>
-<script src="{$basePath}/js/stari.js?v=14"></script>
+<script src="{$basePath}/js/stari.js?v={$appVersion ?? '1.0'}"></script>
 {/block}
diff --git a/app/Presentation/Nastaveni/NastaveniPresenter.php b/app/Presentation/Nastaveni/NastaveniPresenter.php
index 093cd53..f470e71 100644
--- a/app/Presentation/Nastaveni/NastaveniPresenter.php
+++ b/app/Presentation/Nastaveni/NastaveniPresenter.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Presentation\Nastaveni;
 
+use App\Core\Konstanty;
 use App\Core\MapovyPodklad;
 use Nette\Application\UI\Form;
 use Nette\Application\UI\Presenter;
@@ -14,6 +15,7 @@ final class NastaveniPresenter extends Presenter
 {
     public function beforeRender(): void
     {
+        $this->template->appVersion = Konstanty::verze;
         if (!$this->getUser()->isLoggedIn()) {
             $this->template->navrat = $this->storeRequest();
         }
diff --git a/app/Presentation/Obvod/ObvodPresenter.php b/app/Presentation/Obvod/ObvodPresenter.php
index e09c79c..88125c9 100644
--- a/app/Presentation/Obvod/ObvodPresenter.php
+++ b/app/Presentation/Obvod/ObvodPresenter.php
@@ -40,6 +40,7 @@ final class ObvodPresenter extends BasePresenter
 
     public function beforeRender(): void
     {
+        parent::beforeRender();
     }
 
     public function actionList(?string $skupina = null, ?string $razeni = null): void
diff --git a/app/Presentation/Obvod/view.latte b/app/Presentation/Obvod/view.latte
index f43a7d1..0c66951 100644
--- a/app/Presentation/Obvod/view.latte
+++ b/app/Presentation/Obvod/view.latte
@@ -161,8 +161,8 @@
 </div>
 
 <script type="application/json" id="zvestovatele-data">{$zvestovateleJson|noescape}</script>
-<script src="{$basePath}/js/obvod-nahled.js?v=3"></script>
-<script src="{$basePath}/js/naseptavac.js?v=3"></script>
+<script src="{$basePath}/js/obvod-nahled.js?v={$appVersion ?? '1.0'}"></script>
+<script src="{$basePath}/js/naseptavac.js?v={$appVersion ?? '1.0'}"></script>
 <script>
 document.addEventListener('DOMContentLoaded', function () {
     document.querySelectorAll('.modal[data-show-errors="1"]').forEach(function (el) {
diff --git a/app/Presentation/Sign/SignPresenter.php b/app/Presentation/Sign/SignPresenter.php
index 7b18ed4..6bd3c23 100644
--- a/app/Presentation/Sign/SignPresenter.php
+++ b/app/Presentation/Sign/SignPresenter.php
@@ -64,6 +64,11 @@ final class SignPresenter extends Nette\Application\UI\Presenter
 		}
 	}
 
+	public function beforeRender(): void
+	{
+		$this->template->appVersion = Konstanty::verze;
+	}
+
 	public function renderIn(): void
 	{
 		$this->template->navrat = $this->backlink;
diff --git a/app/Presentation/Stari/default.latte b/app/Presentation/Stari/default.latte
index 1d2f9c7..6fa38a5 100644
--- a/app/Presentation/Stari/default.latte
+++ b/app/Presentation/Stari/default.latte
@@ -5,5 +5,5 @@
 <link rel="stylesheet" href="https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.css" />
 <script src="https://unpkg.com/leaflet.markercluster@1.5.3/dist/leaflet.markercluster.js"></script>
 <script type="application/json" id="stari-data">{$stariJson|noescape}</script>
-<script src="{$basePath}/js/stari.js?v=14"></script>
+<script src="{$basePath}/js/stari.js?v={$appVersion ?? '1.0'}"></script>
 {/block}