diff --git a/hooks/containerbuild/doc-compiler/add-packages b/hooks/containerbuild/doc-compiler/add-packages
index e99a92a..4cd4456 100755
--- a/hooks/containerbuild/doc-compiler/add-packages
+++ b/hooks/containerbuild/doc-compiler/add-packages
@@ -3,7 +3,7 @@
 set -e
 
 echo 'ENV DEBIAN_FRONTEND=noninteractive' >> Dockerfile
-echo 'RUN apt update && apt dist-upgrade && apt clean all' >> Dockerfile
+echo 'RUN apt update && apt dist-upgrade --yes && apt clean all' >> Dockerfile
 echo 'RUN apt update && apt install --yes make' >> Dockerfile
 echo 'RUN apt update && apt install --yes python3-setuptools python3-pygments fonts-liberation fonts-liberation2 && apt clean all' >> Dockerfile
 echo 'RUN apt update && apt install --yes texlive-full rubber && apt clean all' >> Dockerfile