diff --git a/Dockerfile b/Dockerfile
index c683f464..c56302d7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,13 +1,17 @@
 FROM debian:stable-slim
+
 ENV DEBIAN_FRONTEND noninteractive
 
-RUN echo "deb http://deb.debian.org/debian stable main" > /etc/apt/sources.list && \
-    echo "deb http://deb.debian.org/debian stable-updates main" >> /etc/apt/sources.list && \
-    echo "deb http://deb.debian.org/debian-security stable-security main" >> /etc/apt/sources.list && \
-    apt-get update && \
-    apt-get install -qyf \
-    texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended && \
-    rm -rf /var/lib/apt/lists/*
+RUN echo "deb http://deb.debian.org/debian stable main" > /etc/apt/sources.list \
+    && echo "deb http://deb.debian.org/debian stable-updates main" >> /etc/apt/sources.list \
+    && echo "deb http://deb.debian.org/debian-security stable-security main" >> /etc/apt/sources.list \
+    && apt-get update \
+    && apt-get install -qy \
+        texlive-latex-recommended \
+        texlive-latex-extra \
+        texlive-fonts-recommended \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /data
 VOLUME ["/data"]