diff --git a/books/matrix.yml b/books/matrix.yml
new file mode 100644
index 0000000..80416dd
--- /dev/null
+++ b/books/matrix.yml
@@ -0,0 +1,6 @@
+#!/usr/bin/env ansible-playbook
+---
+- hosts: matrix
+  roles:
+    - synapse
+
diff --git a/roles/synapse/files/matrix-org-archive-keyring.gpg b/roles/synapse/files/matrix-org-archive-keyring.gpg
new file mode 100644
index 0000000..d32f018
Binary files /dev/null and b/roles/synapse/files/matrix-org-archive-keyring.gpg differ
diff --git a/roles/synapse/tasks/main.yml b/roles/synapse/tasks/main.yml
new file mode 100644
index 0000000..703fc96
--- /dev/null
+++ b/roles/synapse/tasks/main.yml
@@ -0,0 +1,31 @@
+---
+- name: Install apt transport https
+  apt:
+    name:
+      - apt-transport-https
+    state: latest
+    update_cache: true
+  register: apt_result
+  retries: 3
+  until: apt_result is succeeded
+
+- name: Install the pgp key for the synapse repo
+  copy:
+    src: matrix-org-archive-keyring.gpg
+    dest: /usr/share/keyrings/matrix-org-archive-keyring.gpg
+    mode: 0644
+
+- name: Add synapse repo to source list
+  ansible.builtin.apt_repository:
+    repo: "deb [signed-by=/usr/share/keyrings/matrix-org-archive-keyring.gpg] https://packages.matrix.org/debian/ {{ ansible_facts['lsb']['codename'] }} main"
+    state: present
+
+- name: Install synapse
+  apt:
+    name:
+      - matrix-synapse-py3
+    state: latest
+    update_cache: true
+  register: apt_result
+  retries: 3
+  until: apt_result is succeeded