diff --git a/Dockerfile b/Dockerfile
index 15a860d..e7b750d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,5 @@
 FROM ubuntu:25.10
 
-ENV DEBIAN_FRONTEND=noninteractive
-ENV MAGICK_WARNINGS=0
-
 RUN echo "deb http://ubuntu.ethz.ch/ubuntu/ noble main restricted universe multiverse" > /etc/apt/sources.list && \
     echo "deb http://ubuntu.ethz.ch/ubuntu/ noble-updates main restricted universe multiverse" >> /etc/apt/sources.list && \
     echo "deb http://ubuntu.ethz.ch/ubuntu/ noble-security main restricted universe multiverse" >> /etc/apt/sources.list && \
@@ -33,6 +30,7 @@ RUN apt update && apt install -y \
     fonts-dejavu-core \
     libxml2 \
     libxml2-dev \
+    webp \
     && fc-cache -f -v \
     && apt clean \
     && rm -rf /var/lib/apt/lists/*