diff --git a/roles/matrix-grafana/templates/systemd/matrix-grafana.service.j2 b/roles/matrix-grafana/templates/systemd/matrix-grafana.service.j2
index f2ab66424..a4f81e357 100644
--- a/roles/matrix-grafana/templates/systemd/matrix-grafana.service.j2
+++ b/roles/matrix-grafana/templates/systemd/matrix-grafana.service.j2
@@ -21,6 +21,7 @@ ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-grafana \
 			--log-driver=none \
 			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
 			--cap-drop=ALL \
+			--read-only \
 			--network={{ matrix_docker_network }} \
 			{% if matrix_grafana_container_http_host_bind_port %}
 			-p {{ matrix_grafana_container_http_host_bind_port }}:3000 \
diff --git a/roles/matrix-prometheus-node-exporter/templates/systemd/matrix-prometheus-node-exporter.service.j2 b/roles/matrix-prometheus-node-exporter/templates/systemd/matrix-prometheus-node-exporter.service.j2
index 583494448..93638c191 100644
--- a/roles/matrix-prometheus-node-exporter/templates/systemd/matrix-prometheus-node-exporter.service.j2
+++ b/roles/matrix-prometheus-node-exporter/templates/systemd/matrix-prometheus-node-exporter.service.j2
@@ -21,6 +21,7 @@ ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-prometheus-nod
 			--log-driver=none \
 			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
 			--cap-drop=ALL \
+			--read-only \
 			{% if matrix_prometheus_node_exporter_container_http_host_bind_port %}
 			-p {{ matrix_prometheus_node_exporter_container_http_host_bind_port }}:9100 \
 			{% endif %}
diff --git a/roles/matrix-prometheus/templates/systemd/matrix-prometheus.service.j2 b/roles/matrix-prometheus/templates/systemd/matrix-prometheus.service.j2
index dd3ac72cb..ad75d664a 100644
--- a/roles/matrix-prometheus/templates/systemd/matrix-prometheus.service.j2
+++ b/roles/matrix-prometheus/templates/systemd/matrix-prometheus.service.j2
@@ -21,6 +21,7 @@ ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-prometheus \
 			--log-driver=none \
 			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
 			--cap-drop=ALL \
+			--read-only \
 			--network={{ matrix_docker_network }} \
 			{% if matrix_prometheus_container_http_host_bind_port %}
 			-p {{ matrix_prometheus_container_http_host_bind_port }}:9090 \