diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index e50de1c..290c7b1 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -25,6 +25,10 @@ services:
       - GITEA_REPO_OWNER=${GITEA_REPO_OWNER:-tobias}
       - GITEA_REPO_NAME=${GITEA_REPO_NAME:-gwoe-antragspruefer}
       - GITEA_FEEDBACK_LABELS=${GITEA_FEEDBACK_LABELS:-feedback,dev}
+      # ElevenLabs-TTS fuer die Tour-Sprachausgabe (#185, ADR 0014).
+      - ELEVENLABS_API_KEY=${ELEVENLABS_API_KEY}
+      - ELEVENLABS_VOICE_ID=${ELEVENLABS_VOICE_ID:-AZnzlk1XvdvUeBnXmlld}
+      - ELEVENLABS_MODEL_ID=${ELEVENLABS_MODEL_ID:-eleven_multilingual_v2}
       - APP_ENV=dev
       # Dev-Bypass für Diagnose-Sessions: wenn gesetzt, akzeptiert
       # require_auth/require_admin einen Header `X-Debug-Token: <secret>`
diff --git a/docker-compose.yml b/docker-compose.yml
index d342073..93423a8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -28,6 +28,11 @@ services:
       - GITEA_API_URL=${GITEA_API_URL:-https://repo.toppyr.de/api/v1}
       - GITEA_REPO_OWNER=${GITEA_REPO_OWNER:-tobias}
       - GITEA_REPO_NAME=${GITEA_REPO_NAME:-gwoe-antragspruefer}
+      # ElevenLabs-TTS fuer die Tour-Sprachausgabe (#185, ADR 0014).
+      # Ohne API-Key faellt die Tour auf Browser-TTS (speechSynthesis) zurueck.
+      - ELEVENLABS_API_KEY=${ELEVENLABS_API_KEY}
+      - ELEVENLABS_VOICE_ID=${ELEVENLABS_VOICE_ID:-AZnzlk1XvdvUeBnXmlld}
+      - ELEVENLABS_MODEL_ID=${ELEVENLABS_MODEL_ID:-eleven_multilingual_v2}
     volumes:
       - ./data:/app/data
       - ./reports:/app/reports