diff --git a/Dockerfile-base b/Dockerfile-base
index 9d9b9322065a69c3407cd18cb5d737741c1d913e..96821f00426e06a81422c59183ffa3e469612b9e 100644
--- a/Dockerfile-base
+++ b/Dockerfile-base
@@ -4,7 +4,7 @@ ENV DEBIAN_FRONTEND="noninteractive"
 
 RUN apt-get update && \
 	apt-get dist-upgrade -y && \
-	apt-get install --no-install-recommends -y python3 python3-virtualenv chromium-driver make xauth xvfb tesseract-ocr tesseract-ocr-eng tesseract-ocr-fra ocrmypdf curl unzip zip tor && \
+	apt-get install --no-install-recommends -y python3 python3-virtualenv chromium-driver make xauth xvfb tesseract-ocr tesseract-ocr-eng tesseract-ocr-fra ocrmypdf curl unzip zip tor file && \
 	apt-get clean && \
 	rm -rf /var/lib/apt/lists && \
 	ln -s /usr/bin/python3 /usr/bin/python && \