diff --git a/custom_components/circadian_lighting/services.yaml b/custom_components/circadian_lighting/services.yaml
new file mode 100644
index 00000000..7b0ee409
--- /dev/null
+++ b/custom_components/circadian_lighting/services.yaml
@@ -0,0 +1,3 @@
+values_update:
+  description: Updates values for circadian lighting.
+  fields: