diff --git a/Dockerfile b/Dockerfile
index 24c625e..48e7ff9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,13 +4,17 @@ LABEL org.opencontainers.image.authors="cougar@random.ee"
 ENV DEBIAN_FRONTEND noninteractive
 RUN apt update && \
     apt upgrade --yes && \
-    apt install --no-install-recommends --yes ca-certificates curl gpg locales sudo tzdata && \
+    apt install --no-install-recommends --yes ca-certificates curl gpg locales sudo tzdata software-properties-common gpg-agent && \
     rm -rf /var/lib/apt/lists/* && \
     groupadd -g 1000 openeid && \
     useradd -u 1000 -g 1000 -m openeid && \
     echo "openeid ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers && \
     localedef -i et_EE -c -f UTF-8 -A /usr/share/locale/locale.alias et_EE.UTF-8 && \
-    ln -sf /usr/share/zoneinfo/Europe/Tallinn /etc/localtime
+    ln -sf /usr/share/zoneinfo/Europe/Tallinn /etc/localtime && \
+    add-apt-repository ppa:mozillateam/ppa -y && \
+    echo 'Package: *\nPin: release o=LP-PPA-mozillateam\nPin-Priority: 1001\n' > /etc/apt/preferences.d/mozilla-firefox && \
+    echo 'Unattended-Upgrade::Allowed-Origins:: "LP-PPA-mozillateam:${distro_codename}";' > /etc/apt/apt.conf.d/51unattended-upgrades-firefox && \
+    apt install -y firefox
 
 ENV LANG et_EE.UTF-8
 ENV TZ Europe/Tallinn