diff --git a/Dockerfile b/Dockerfile
index be425e680afed03415cbd10873e1fadbda052f71..4216c34d84b58089d1b521309301ed51b18b2e13 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,3 +26,11 @@ RUN poetry run python -m spacy download it_core_news_lg
 RUN poetry run python -m spacy download nl_core_news_lg
 RUN poetry run python -m spacy download sp_core_news_lg
 RUN poetry run python -m spacy download pt_core_news_lg
+
+poetry run python -m spacy download de_core_news_lg
+poetry run python -m spacy download pl_core_news_lg
+poetry run python -m spacy download en_core_web_lg
+poetry run python -m spacy download it_core_news_lg
+poetry run python -m spacy download nl_core_news_lg
+poetry run python -m spacy download sp_core_news_lg
+poetry run python -m spacy download pt_core_news_lg
diff --git a/new_experiment/worker.py b/new_experiment/worker.py
index 7422ea9a8a5c402853af45ffe5dd3d3985b2b40d..25af3613d0dff9b5d554f2f96b78161fab2d3379 100644
--- a/new_experiment/worker.py
+++ b/new_experiment/worker.py
@@ -20,6 +20,7 @@ _RABBIT_URL = get_param('RABBIT_URL',
 
 def main():
     parameters = pika.URLParameters(_RABBIT_URL)
+    parameters._heartbeat = 10000000
     connection = pika.BlockingConnection(parameters=parameters)
     channel = connection.channel()
     channel.basic_qos(prefetch_count=1)