diff --git a/Dockerfile b/Dockerfile
index ce7c5dec..b08fdf88 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,14 +31,21 @@ RUN wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | apt-key add
     apt-get install -y google-chrome-stable --no-install-recommends && \
     rm -rf /var/lib/apt/lists/*
 
-# 4. Passenden Chromedriver installieren (FINALE, KORREKTE URL)
-# Die vorherige URL war falsch (404). Dies ist der korrekte, stabile Endpunkt von Google.
-RUN DRIVER_URL=$(wget --no-check-certificate -O- "https://googlechromelabs.github.io/chrome-for-testing/known-good-versions-with-downloads.json" | python -c "import json, sys; print(next(d['url'] for d in json.load(sys.stdin)['versions'][-1]['downloads']['chromedriver'] if d['platform'] == 'linux64'))") \
-    && wget --no-check-certificate -q "${DRIVER_URL}" -O /tmp/chromedriver.zip \
-    && unzip /tmp/chromedriver.zip -d /usr/local/bin/ \
-    && mv /usr/local/bin/chromedriver-linux64/chromedriver /usr/local/bin/ \
-    && rm -rf /tmp/chromedriver.zip /usr/local/bin/chromedriver-linux64 \
-    && chmod +x /usr/local/bin/chromedriver
+# 4. Passenden Chromedriver installieren (FINALE METHODE MIT VERSIONSABGLEICH)
+# Liest die installierte Chrome-Version aus und sucht den exakt passenden Treiber.
+RUN \
+    export CHROME_VERSION=$(google-chrome --version | cut -f 3 -d ' ') && \
+    DRIVER_URL=$(wget -O- --no-check-certificate "https://googlechromelabs.github.io/chrome-for-testing/known-good-versions-with-downloads.json" | python -c "import os, json, sys; \
+        versions = json.load(sys.stdin)['versions']; \
+        target_version = os.environ['CHROME_VERSION']; \
+        v_entry = next(v for v in versions if v['version'] == target_version); \
+        url = next(d['url'] for d in v_entry['downloads']['chromedriver'] if d['platform'] == 'linux64'); \
+        print(url)") && \
+    wget --no-check-certificate -q "${DRIVER_URL}" -O /tmp/chromedriver.zip && \
+    unzip /tmp/chromedriver.zip -d /usr/local/bin/ && \
+    mv /usr/local/bin/chromedriver-linux64/chromedriver /usr/local/bin/ && \
+    rm -rf /tmp/chromedriver.zip /usr/local/bin/chromedriver-linux64 && \
+    chmod +x /usr/local/bin/chromedriver
 
 # 5. App-Verzeichnis einrichten
 WORKDIR /app