diff --git a/docker/production/Dockerfile b/docker/production/Dockerfile
index 9a84bd9f..1b5370e5 100644
--- a/docker/production/Dockerfile
+++ b/docker/production/Dockerfile
@@ -1,5 +1,5 @@
 # First build the application assets
-FROM node:16-alpine as assets
+FROM node:18-alpine as assets
 
 RUN apk add --no-cache python3 build-base libwebp-tools bash imagemagick ncurses
 WORKDIR /build
@@ -49,11 +49,17 @@ LABEL org.opencontainers.image.title="mobilizon" \
 RUN apk add --no-cache curl openssl ca-certificates ncurses-libs file postgresql-client libgcc libstdc++ imagemagick python3 py3-pip py3-pillow py3-cffi py3-brotli gcc g++ musl-dev python3-dev pango libxslt-dev ttf-cantarell openssl1.1-compat
 RUN pip install weasyprint pyexcel-ods3
 
+# Create every data directory
 RUN mkdir -p /var/lib/mobilizon/uploads && chown nobody:nobody /var/lib/mobilizon/uploads
+RUN mkdir -p /var/lib/mobilizon/timezones && chown nobody:nobody /var/lib/mobilizon/timezones
+RUN mkdir -p /var/lib/mobilizon/tzdata && chown nobody:nobody /var/lib/mobilizon/tzdata
 RUN mkdir -p /var/lib/mobilizon/uploads/exports/{csv,pdf,ods} && chown -R nobody:nobody /var/lib/mobilizon/uploads/exports
-RUN mkdir -p /var/lib/mobilizon/timezones
+
+# Get timezone geodata
 RUN curl -L 'https://packages.joinmobilizon.org/tz_world/timezones-geodata.dets' -o /var/lib/mobilizon/timezones/timezones-geodata.dets
-RUN chown nobody:nobody /var/lib/mobilizon/timezones
+RUN chown -R nobody:nobody /var/lib/mobilizon/timezones
+
+# Create configuration directory
 RUN mkdir -p /etc/mobilizon && chown nobody:nobody /etc/mobilizon
 
 USER nobody
diff --git a/docker/tests/Dockerfile b/docker/tests/Dockerfile
index 6342d684..f9687894 100644
--- a/docker/tests/Dockerfile
+++ b/docker/tests/Dockerfile
@@ -1,9 +1,9 @@
 FROM elixir:latest
 LABEL maintainer="Thomas Citharel <tcit@tcit.fr>"
 
-ENV REFRESHED_AT=2022-09-20
+ENV REFRESHED_AT=2023-05-22
 RUN apt-get update -yq && apt-get install -yq build-essential inotify-tools postgresql-client git curl gnupg xvfb libgtk-3-dev libnotify-dev libgconf-2-4 libnss3 libxss1 libasound2 cmake exiftool python3-pip python3-setuptools
-RUN curl -sL https://deb.nodesource.com/setup_16.x | bash && apt-get install nodejs -yq
+RUN curl -sL https://deb.nodesource.com/setup_18.x | bash && apt-get install nodejs -yq
 RUN npm install -g yarn wait-on
 RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 RUN mix local.hex --force && mix local.rebar --force