diff --git a/Dockerfile b/Dockerfile
index 67a0833..4e1ab68 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 #
 # Launch a build container so we do not need to care about junk in the production image
 #
-FROM python:3.10 AS build
+FROM python:3.10-slim AS build
 
 # This is needed to start the Django app
 ARG SECRET_KEY=none
@@ -10,7 +10,7 @@ ARG DATABASE_URL=sqlite:///db.sqlite3
 
 # Install sass
 RUN apt-get update
-RUN apt-get -y install ruby-sass
+RUN apt-get -y install ruby-sass build-essential postgresql-client
 
 # Deploy files and install requirements
 ADD app/requirements.txt /app/requirements.txt
@@ -34,13 +34,13 @@ RUN rm db.sqlite3
 #
 # The production container
 #
-FROM python:3.10
+FROM python:3.10-slim
 EXPOSE 8080
 
 RUN adduser --no-create-home --gecos FALSE --disabled-password finger
 
 RUN apt-get update \
-	&& apt-get -y install nginx ruby-sass \
+	&& apt-get -y install nginx ruby-sass postgresql-client \
 	&& rm -rf /var/lib/apt/lists/*
 
 COPY --from=build --chown=finger /app /app
diff --git a/app/fingerweb/settings.py b/app/fingerweb/settings.py
index d962ff2..d492dc3 100644
--- a/app/fingerweb/settings.py
+++ b/app/fingerweb/settings.py
@@ -131,7 +131,7 @@
 
 LANGUAGE_CODE = "en-gb"
 
-TIME_ZONE = "CET"
+TIME_ZONE = "Europe/Stockholm"
 
 USE_I18N = True
 
diff --git a/app/requirements.txt b/app/requirements.txt
index 0a4a213..7009a4b 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -7,6 +7,6 @@ django-static-precompiler ~= 1.8.2
 markdown ~= 3.1.1
 gunicorn ~= 19.9.0
 django-environ ~= 0.4.5
-psycopg2-binary ~= 2.8.3
+psycopg2-binary ~= 2.9.11
 python-dateutil ~= 2.8.0
 django-post_office ~= 3.5.2