diff --git a/include/sway/output.h b/include/sway/output.h
index ae2e50d36..9ff340e00 100644
--- a/include/sway/output.h
+++ b/include/sway/output.h
@@ -72,6 +72,9 @@ struct sway_output {
 
 	bool allow_tearing;
 	bool hdr;
+
+	bool brightness_changed;
+	float brightness;
 };
 
 struct sway_output_non_desktop {
@@ -145,6 +148,8 @@ void handle_output_manager_test(struct wl_listener *listener, void *data);
 
 void handle_output_power_manager_set_mode(struct wl_listener *listener,
 	void *data);
+void handle_output_power_manager_set_brightness(struct wl_listener *listener,
+	void *data);
 
 struct sway_output_non_desktop *output_non_desktop_create(struct wlr_output *wlr_output);
 
diff --git a/include/sway/server.h b/include/sway/server.h
index 8c8114882..69c497c02 100644
--- a/include/sway/server.h
+++ b/include/sway/server.h
@@ -100,6 +100,7 @@ struct sway_server {
 
 	struct wlr_output_power_manager_v1 *output_power_manager_v1;
 	struct wl_listener output_power_manager_set_mode;
+	struct wl_listener output_power_manager_set_brightness;
 	struct wlr_input_method_manager_v2 *input_method;
 	struct wlr_text_input_manager_v3 *text_input;
 	struct wlr_ext_foreign_toplevel_list_v1 *foreign_toplevel_list;
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index 12dc9cc7a..703a8d21e 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -303,6 +303,11 @@ static int output_repaint_timer_handler(void *data) {
 		}
 	}
 
+	if (output->brightness_changed) {
+		wlr_output_state_set_brightness(&pending, output->brightness);
+		output->brightness_changed = false;
+	}
+
 	if (!wlr_output_commit_state(output->wlr_output, &pending)) {
 		sway_log(SWAY_ERROR, "Page-flip failed on output %s", output->wlr_output->name);
 	}
@@ -725,3 +730,13 @@ void handle_output_power_manager_set_mode(struct wl_listener *listener,
 	store_output_config(oc);
 	request_modeset();
 }
+
+void handle_output_power_manager_set_brightness(struct wl_listener *listener,
+		void *data) {
+	struct wlr_output_power_v1_set_brightness_event *event = data;
+	struct sway_output *output = event->output->data;
+
+	output->brightness_changed = true;
+	output->brightness = event->value;
+	wlr_output_schedule_frame(output->wlr_output);
+}
diff --git a/sway/server.c b/sway/server.c
index ed3468b53..a1cf5ed10 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -458,6 +458,10 @@ bool server_init(struct sway_server *server) {
 		handle_output_power_manager_set_mode;
 	wl_signal_add(&server->output_power_manager_v1->events.set_mode,
 		&server->output_power_manager_set_mode);
+	server->output_power_manager_set_brightness.notify =
+		handle_output_power_manager_set_brightness;
+	wl_signal_add(&server->output_power_manager_v1->events.set_brightness,
+		&server->output_power_manager_set_brightness);
 	server->input_method = wlr_input_method_manager_v2_create(server->wl_display);
 	if (!server->input_method) {
 		sway_log(SWAY_ERROR, "Failed to create input method manager");