diff --git a/sericea/.config/sway/config.d/90-wlsunset.conf b/sericea/.config/sway/config.d/90-wlsunset.conf
new file mode 100644
index 00000000..d7d192b8
--- /dev/null
+++ b/sericea/.config/sway/config.d/90-wlsunset.conf
@@ -0,0 +1,6 @@
+# vim: set ft=swayconfig:
+# wlsunset(1)
+exec wlsunset \
+	-T 5300 \
+	-t 3500 \
+	-g 1