diff --git a/Dockerfile b/Dockerfile
index cd30151..17673fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,8 @@ COPY . .
 
 # Standalone-Output aktiviert kleinste Images
 ENV NEXT_TELEMETRY_DISABLED=1
+ARG BUILD_DATE
+ENV NEXT_PUBLIC_BUILD_DATE=$BUILD_DATE
 RUN npm run build
 
 # ── Stage 3: Produktions-Image ────────────────────────────────────────────────
diff --git a/components/AppLayout.tsx b/components/AppLayout.tsx
index 032cfd9..8d74a16 100644
--- a/components/AppLayout.tsx
+++ b/components/AppLayout.tsx
@@ -1,5 +1,6 @@
 'use client';
 
+import { useEffect, useState } from 'react';
 import LogoutButton from '@/components/LogoutButton';
 import packageJson from '@/package.json';
 
@@ -9,7 +10,13 @@ interface AppLayoutProps {
 
 export default function AppLayout({ children }: AppLayoutProps) {
   const version = packageJson.version;
-  const buildDate = process.env.NEXT_PUBLIC_BUILD_DATE || new Date().toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit', year: 'numeric' });
+  const [buildDate, setBuildDate] = useState(process.env.NEXT_PUBLIC_BUILD_DATE || '');
+
+  useEffect(() => {
+    if (!buildDate) {
+      setBuildDate(new Date().toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit', year: 'numeric' }));
+    }
+  }, []);
 
   return (
     <div className="app-wrapper">
diff --git a/docker-compose.yml b/docker-compose.yml
index a911056..c84b09c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,6 +15,8 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
+      args:
+        BUILD_DATE: "$(date +%d.%m.%Y)"
       platforms:
         - linux/amd64
         - linux/arm64
diff --git a/package.json b/package.json
index ab3689c..5fae618 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tabletten_next",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "private": true,
   "scripts": {
     "dev": "next dev",