diff --git a/hosts/goopnet-interface/default.nix b/hosts/goopnet-interface/default.nix
index 82b4f8b..176afe9 100755
--- a/hosts/goopnet-interface/default.nix
+++ b/hosts/goopnet-interface/default.nix
@@ -55,6 +55,7 @@
       waybar.enable = true;
       batsignal.enable = true;
       wob.enable = true;
+      gammastep.enable = true;
 
       # display manager
       sddm.enable = true;
diff --git a/modules/desktop/gammastep.nix b/modules/desktop/gammastep.nix
new file mode 100644
index 0000000..0e2a8fc
--- /dev/null
+++ b/modules/desktop/gammastep.nix
@@ -0,0 +1,21 @@
+{ lib, config, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.modules.desktop.gammastep;
+in {
+  options.modules.desktop.gammastep = {
+    enable = mkEnableOption "Enable gammastep, a blue-light filter for Wayland desktop environments";
+  };
+
+  config = mkIf cfg.enable {
+    hm.wayland.windowManager.hyprland.settings.exec-once = [ "${pkgs.gammastep}/bin/gammastep-indicator" ];
+    hm.services.gammastep = {
+      enable = true;
+      # portland, oregon
+      latitude = 45.3112;
+      longitude = -122.4055;
+      provider = "manual";
+    };
+  };
+}
\ No newline at end of file