diff --git a/modules/nixos/cosmic.nix b/modules/nixos/cosmic.nix
index 2a0cbba..f5b6e2d 100644
--- a/modules/nixos/cosmic.nix
+++ b/modules/nixos/cosmic.nix
@@ -15,5 +15,6 @@
 
   environment.systemPackages = with pkgs; [
     cosmic-reader
+    observatory
   ];
 }