diff --git a/.docker/app/Dockerfile b/.docker/app/Dockerfile
index d670249..6ca75aa 100644
--- a/.docker/app/Dockerfile
+++ b/.docker/app/Dockerfile
@@ -4,6 +4,7 @@ FROM nextcloud:${NEXTCLOUD_VERSION}
 
 RUN apt-get update \
     && apt-get install -y \
+        gzip \
         locales \
         postgresql-client \
         poppler-utils \