diff --git a/Containerfile b/Containerfile
index 6a5b9ec..a94e9a3 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,10 +1,6 @@
-FROM registry.fedoraproject.org/fedora:36
+FROM git.pyrocufflink.net/containerimages/jenkins-base
 
 RUN dnf install -y \
     openssh-clients \
     rsync \
     && dnf clean all \
-    && groupadd -g 1000 jenkins \
-    && useradd -c 'Jenkins user' -g 1000 -l -M -s /bin/sh -u 1000 jenkins
-
-COPY known-hosts-command.ssh.conf /etc/ssh/ssh_config.d/10-known-hosts-command.conf
diff --git a/known-hosts-command.ssh.conf b/known-hosts-command.ssh.conf
deleted file mode 100644
index efb2772..0000000
--- a/known-hosts-command.ssh.conf
+++ /dev/null
@@ -1 +0,0 @@
-KnownHostsCommand /usr/bin/curl -sL https://files.pyrocufflink.blue/ssh_known_hosts