diff --git a/modules/gammastep.nix b/modules/gammastep.nix
new file mode 100644
index 0000000..3cefad9
--- /dev/null
+++ b/modules/gammastep.nix
@@ -0,0 +1,10 @@
+{ config, pkgs, ... }:
+
+{
+  services.gammastep = {
+    enable = true;
+    provider = "manual";
+    latitude = 47;
+    longitude = 117;
+  };
+}