diff --git a/modules/home-manager/all-modules.nix b/modules/home-manager/all-modules.nix
index d4e30b15..c454879d 100644
--- a/modules/home-manager/all-modules.nix
+++ b/modules/home-manager/all-modules.nix
@@ -8,6 +8,7 @@
   ./btop.nix
   ./cava.nix
   ./chrome.nix
+  ./cosmic.nix
   ./cursors.nix
   ./delta.nix
   ./dunst.nix
diff --git a/modules/home-manager/cosmic.nix b/modules/home-manager/cosmic.nix
new file mode 100644
index 00000000..4bbc3fac
--- /dev/null
+++ b/modules/home-manager/cosmic.nix
@@ -0,0 +1,85 @@
+{ catppuccinLib }:
+{ config, lib, ... }:
+{
+  options.catppuccin = {
+    cosmic-desktop = catppuccinLib.mkCatppuccinOption {
+      accentSupport = true;
+      name = "cosmic-desktop";
+    };
+
+    cosmic-term = catppuccinLib.mkCatppuccinOption { name = "cosmic-term"; };
+  };
+
+  config =
+    let
+      cfg = config.catppuccin;
+    in
+    lib.mkMerge [
+      (lib.mkIf cfg.cosmic-desktop.enable {
+        wayland.desktopManager.cosmic.components.config =
+          let
+            version = 1;
+          in
+          {
+            "com.system76.CosmicTheme.Dark.Builder" = {
+              inherit version;
+              entries = lib.ron.importRON "${config.catppuccin.sources.cosmic-desktop}/themes/cosmic-settings/catppuccin-${cfg.cosmic-desktop.flavor}-${cfg.cosmic-desktop.accent}+round.ron";
+            };
+
+            "com.system76.CosmicTheme.Light.Builder" = {
+              inherit version;
+              entries = lib.ron.importRON "${config.catppuccin.sources.cosmic-desktop}/themes/cosmic-settings/catppuccin-latte-${cfg.cosmic-desktop.accent}+round.ron";
+            };
+
+            "com.system76.CosmicTheme.Mode" = {
+              inherit version;
+              entries.is_dark = cfg.cosmic-desktop.flavor != "latte";
+            };
+          };
+      })
+
+      (lib.mkIf cfg.cosmic-term.enable {
+        wayland.desktopManager.cosmic.components.config."com.system76.CosmicTerm" = {
+          version = 1;
+
+          entries =
+            let
+              existingDark =
+                config.wayland.desktopManager.cosmic.components.config."com.system76.CosmicTerm".entries.color_schemes_dark.attrs
+                  or [ ];
+              existingLight =
+                config.wayland.desktopManager.cosmic.components.config."com.system76.CosmicTerm".entries.color_schemes_light.attrs
+                  or [ ];
+              maxDarkKey =
+                if existingDark == [ ] then -1 else lib.foldl lib.max (-1) (map (t: t.key) existingDark);
+              maxLightKey =
+                if existingLight == [ ] then -1 else lib.foldl lib.max (-1) (map (t: t.key) existingLight);
+              darkTheme = lib.ron.importRON "${config.catppuccin.sources.cosmic-desktop}/themes/cosmic-term/catppuccin-${cfg.cosmic-term.flavor}.ron";
+              lightTheme = lib.ron.importRON "${config.catppuccin.sources.cosmic-desktop}/themes/cosmic-term/catppuccin-latte.ron";
+            in
+            {
+              color_schemes_dark = lib.ron.mkMap (
+                existingDark
+                ++ [
+                  {
+                    key = maxDarkKey + 1;
+                    value = darkTheme;
+                  }
+                ]
+              );
+              color_schemes_light = lib.ron.mkMap (
+                existingLight
+                ++ [
+                  {
+                    key = maxLightKey + 1;
+                    value = lightTheme;
+                  }
+                ]
+              );
+              syntax_theme_dark = darkTheme.name;
+              syntax_theme_light = lightTheme.name;
+            };
+        };
+      })
+    ];
+}
diff --git a/pkgs/sources.json b/pkgs/sources.json
index 2809cffe..d633982e 100644
--- a/pkgs/sources.json
+++ b/pkgs/sources.json
@@ -34,6 +34,11 @@
     "lastModified": "2024-09-03",
     "rev": "0746f77974330338ee2e1e4d1ef9872eba57eb26"
   },
+  "cosmic-desktop": {
+    "hash": "sha256-NAQnHS+XrMJ/rPgSS5nEQOMBhQtF6mP1i/0QP5arQ64=",
+    "lastModified": "2025-04-22",
+    "rev": "95e81098042dd2102f0b258f6990f886c5759692"
+  },
   "cursors": {
     "hash": "sha256-qis6p+/m7+DdRDYzLq9yB2eZGpfZe5z5xRsa/1HoIG4=",
     "lastModified": "2025-02-22",