diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index 00cdbdfbb..a817f1e63 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -917,7 +917,7 @@ matrix_client_element_jitsi_preferredDomain: "{{ matrix_server_fqn_jitsi if matr
 #
 ######################################################################
 
-matrix_synapse_container_image_self_build: "{{ matrix_architecture != 'amd64'}}"
+matrix_synapse_container_image_self_build: "{{ matrix_architecture not in ['arm32', 'arm64', 'amd64'] }}"
 
 # When ma1sd is enabled, we can use it to validate email addresses and phone numbers.
 # Synapse can validate email addresses by itself as well, but it's probably not what we want by default when we have an identity server.
diff --git a/roles/matrix-synapse/defaults/main.yml b/roles/matrix-synapse/defaults/main.yml
index fd8eaa528..450a26be2 100644
--- a/roles/matrix-synapse/defaults/main.yml
+++ b/roles/matrix-synapse/defaults/main.yml
@@ -5,7 +5,7 @@ matrix_synapse_enabled: true
 
 matrix_synapse_container_image_self_build: false
 
-matrix_synapse_docker_image: "matrixdotorg/synapse:v1.21.2"
+matrix_synapse_docker_image: "matrixdotorg/synapse:v1.22.0"
 matrix_synapse_docker_image_force_pull: "{{ matrix_synapse_docker_image.endswith(':latest') }}"
 
 matrix_synapse_base_path: "{{ matrix_base_data_path }}/synapse"
@@ -73,7 +73,7 @@ matrix_synapse_registration_shared_secret: "{{ matrix_synapse_macaroon_secret_ke
 matrix_synapse_allow_guest_access: false
 matrix_synapse_form_secret: "{{ matrix_synapse_macaroon_secret_key }}"
 
-matrix_synapse_max_upload_size_mb: 10
+matrix_synapse_max_upload_size_mb: 50
 
 # The tmpfs at /tmp needs to be large enough to handle multiple concurrent file uploads.
 matrix_synapse_tmp_directory_size_mb: "{{ matrix_synapse_max_upload_size_mb * 50 }}"
@@ -349,7 +349,7 @@ matrix_synapse_room_list_publication_rules:
     room_id: "*"
     action: allow
 
-matrix_synapse_default_room_version: "5"
+matrix_synapse_default_room_version: "6"
 
 # Controls the Synapse `spam_checker` setting.
 #