diff --git a/Dockerfile b/Dockerfile
index f69218d..548d6ea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,14 +5,9 @@ FROM ubuntu:26.04
 LABEL maintainer="Julien Cabillot <dockerimages@cabillot.eu>"
 
 RUN export DEBIAN_FRONTEND="noninteractive" && \
-    export BUILD_PACKAGES="wget xz-utils" && \
-    export RUNTIME_PACKAGES="python3 xvfb libfontconfig1 libxrender1 libxcomposite1 libegl1 libopengl0" && \
     apt-get -qq update && \
-    apt-get -qq --yes install ${BUILD_PACKAGES} ${RUNTIME_PACKAGES} && \
+    apt-get -qq --yes install python3 xvfb libfontconfig1 libxrender1 libxcomposite1 libegl1 libopengl0 libxcb-cursor0 calibre && \
     ln -sf /usr/bin/python3 /usr/bin/python && \
-    wget -nv -O- https://download.calibre-ebook.com/linux-installer.py | python -c "import sys; main=lambda:sys.stderr.write('Download failed\n'); exec(sys.stdin.read()); main()" && \
-    apt-get -qq --yes remove --purge ${BUILD_PACKAGES} && \
-    apt-get -qq --yes autoremove --purge && \
     apt-get -qq --yes clean all && \
     rm -rf "/usr/share/doc/"* \
            "/usr/src/"* \