diff --git a/flake.nix b/flake.nix
index 5dcf999..35fab43 100755
--- a/flake.nix
+++ b/flake.nix
@@ -146,6 +146,12 @@
 
     nixos-raspberrypi.url = "github:nvmd/nixos-raspberrypi";
 
+    # cosmic launcher
+    pi5-cosmic = {
+      url = "github:lilyinstarlight/nixos-cosmic";
+      inputs.nixpkgs.follows = "Pi5-nixpkgs";
+    };
+
     #####################################################
     #                  Steamdeck                        #
     #####################################################
@@ -257,6 +263,7 @@
       Pi5-nixos-hardware,
       Pi5-sops-nix,
       nixos-raspberrypi,
+      pi5-cosmic,
 
       # Steamdeck
       steamdeck-nixpkgs,
@@ -414,6 +421,7 @@
                   ];
                 };
             }
+            pi5-cosmic.nixosModules.default
           ];
         };
 
diff --git a/hosts/pi5/configuration.nix b/hosts/pi5/configuration.nix
index fab4a74..43d2046 100755
--- a/hosts/pi5/configuration.nix
+++ b/hosts/pi5/configuration.nix
@@ -16,6 +16,7 @@ in
     ./networking.nix
     ./sops.nix
     ../default.nix
+    ../../modules/desktop-environments/cosmic/default.nix
   ];
 
   # Enable nix flakes and nix-command tools