diff --git a/roles/matrix-bridge-sms/defaults/main.yml b/roles/matrix-bridge-sms/defaults/main.yml
index e598213b9..0784841a9 100644
--- a/roles/matrix-bridge-sms/defaults/main.yml
+++ b/roles/matrix-bridge-sms/defaults/main.yml
@@ -3,7 +3,7 @@
 
 matrix_sms_bridge_enabled: true
 
-matrix_sms_bridge_docker_image: "folivonet/matrix-sms-bridge:0.3.0.RELEASE"
+matrix_sms_bridge_docker_image: "folivonet/matrix-sms-bridge:0.3.1.RELEASE"
 matrix_sms_bridge_database_docker_image: "neo4j:latest"
 matrix_sms_bridge_database_docker_image_force_pull: "{{ matrix_sms_bridge_docker_image.endswith(':latest') }}"
 
@@ -46,6 +46,7 @@ matrix_sms_bridge_homeserver_port: '8008'
 matrix_sms_bridge_homserver_domain: "{{ matrix_domain }}"
 matrix_sms_bridge_default_room: ''
 matrix_sms_bridge_default_region: ''
+matrix_sms_bridge_default_timezone: ''
 
 matrix_sms_bridge_gammu_modem: ''
 matrix_sms_bridge_modem_group: 'dialout'
@@ -72,6 +73,7 @@ matrix_sms_bridge_configuration_yaml: |
         # Note that you must invite @smsbot:yourHomeServer to this room.
         defaultRoomId: "{{ matrix_sms_bridge_default_room }}"
         defaultRegion: "{{ matrix_sms_bridge_default_region }}"
+        defaultTimeZone: "{{ matrix_sms_bridge_default_timezone }}"
         provider:
           gammu:
             # (optional) default is disabled
diff --git a/roles/matrix-bridge-sms/tasks/validate_config.yml b/roles/matrix-bridge-sms/tasks/validate_config.yml
index 23fc8a23f..0e40aefa0 100644
--- a/roles/matrix-bridge-sms/tasks/validate_config.yml
+++ b/roles/matrix-bridge-sms/tasks/validate_config.yml
@@ -11,3 +11,4 @@
     - "matrix_sms_bridge_database_password"
     - "matrix_sms_bridge_gammu_modem"
     - "matrix_sms_bridge_default_region"
+    - "matrix_sms_bridge_default_timezone"