diff --git a/roles/matrix-bridge-mautrix-signal/defaults/main.yml b/roles/matrix-bridge-mautrix-signal/defaults/main.yml
index d6d3faa2..d8e4016c 100644
--- a/roles/matrix-bridge-mautrix-signal/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-signal/defaults/main.yml
@@ -9,7 +9,7 @@ matrix_mautrix_signal_docker_repo: "https://mau.dev/mautrix/signal.git"
 matrix_mautrix_signal_docker_repo_version: "{{ 'master' if matrix_mautrix_signal_version == 'latest' else matrix_mautrix_signal_version }}"
 matrix_mautrix_signal_docker_src_files_path: "{{ matrix_base_data_path }}/mautrix-signal/docker-src"
 
-matrix_mautrix_signal_version: v0.3.0
+matrix_mautrix_signal_version: v0.4.0
 matrix_mautrix_signal_daemon_version: 0.21.1
 # See: https://mau.dev/mautrix/signal/container_registry
 matrix_mautrix_signal_docker_image: "dock.mau.dev/mautrix/signal:{{ matrix_mautrix_signal_version }}"