diff --git a/Dockerfile.production b/Dockerfile.production
index b00f57da3cca53ee6a26b9cf7df456b3825355e9..f2b6457b6e64df41fdc9f2f789eea30bb66ba08e 100644
--- a/Dockerfile.production
+++ b/Dockerfile.production
@@ -6,7 +6,7 @@ RUN npm install \
     && npm install --global postcss \
     && npm run build:css
 # https://github.com/nginxinc/docker-nginx-unprivileged/blob/master/stable/buster/Dockerfile
-From debian:buster-slim
+From debian:bullseye-slim
 
 LABEL maintainer="Mat-Web Co-Maintainer <jan.friedli@immerda.ch>"
 
diff --git a/README.md b/README.md
index 67863ab8b0d0fdfb6e9184d740298d129debe078..3983c6f5b749dfd9663dcc114f4876afd6627fff 100644
--- a/README.md
+++ b/README.md
@@ -125,9 +125,9 @@ Make sure you configured the necessary [environment variables](#configuration).
 ### Building the production image using Docker
 Build command: `docker build -f Dockerfile.production -t mat-web .`
 
-Run it: `docker run -ti -p8181:8080 --read-only  --tmpfs /tmp --tmpfs /run/uwsgi --tmpfs=/app/upload --security-opt=no-new-privileges --security-opt=seccomp=./config/seccomp.json mat-web:latest`
+Run it: `docker run -ti -p8181:8080 --read-only --tmpfs=/tmp --tmpfs=/run/uwsgi --tmpfs=/app/upload --security-opt=no-new-privileges --security-opt=seccomp=./config/seccomp.json mat-web:latest`
 
-This does mount the upload folder as tmpfs and servers the app on `localhost:8181`.
+This does mount the upload folder as tmpfs and server the app on `localhost:8181`.
 
 ### Building the production image using Podman
 Build: `podman build -f Dockerfile.production -t matweb-podman .`