diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index b87eb9a2..c6fe6d06 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -69,6 +69,9 @@ jobs:
 
     steps:
       - uses: DeterminateSystems/nix-installer-action@v16
+        with:
+          extra-conf: |-
+            allow-import-from-derivation = false
 
       - run: |
           nix build --no-update-lock-file --print-build-logs \
diff --git a/flake.lock b/flake.lock
index 4c24c0b2..2b3047fd 100644
--- a/flake.lock
+++ b/flake.lock
@@ -249,6 +249,7 @@
         "systems": "systems",
         "tinted-foot": "tinted-foot",
         "tinted-kitty": "tinted-kitty",
+        "tinted-schemes": "tinted-schemes",
         "tinted-tmux": "tinted-tmux",
         "tinted-zed": "tinted-zed"
       }
@@ -302,6 +303,22 @@
         "type": "github"
       }
     },
+    "tinted-schemes": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1737565458,
+        "narHash": "sha256-y+9cvOA6BLKT0WfebDsyUpUa/YxKow9hTjBp6HpQv68=",
+        "owner": "tinted-theming",
+        "repo": "schemes",
+        "rev": "ae31625ba47aeaa4bf6a98cf11a8d4886f9463d9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "tinted-theming",
+        "repo": "schemes",
+        "type": "github"
+      }
+    },
     "tinted-tmux": {
       "flake": false,
       "locked": {
diff --git a/flake.nix b/flake.nix
index 9e8499a2..8066dc49 100644
--- a/flake.nix
+++ b/flake.nix
@@ -96,6 +96,11 @@
       url = "github:tinted-theming/tinted-kitty/eb39e141db14baef052893285df9f266df041ff8";
     };
 
+    tinted-schemes = {
+      url = "github:tinted-theming/schemes";
+      flake = false;
+    };
+
     firefox-gnome-theme = {
       flake = false;
       url = "github:rafaelmardojai/firefox-gnome-theme";
diff --git a/stylix/testbed.nix b/stylix/testbed.nix
index a0a710e3..d518233d 100644
--- a/stylix/testbed.nix
+++ b/stylix/testbed.nix
@@ -157,7 +157,7 @@ let
           url = "https://unsplash.com/photos/hwLAI5lRhdM/download?ixid=M3wxMjA3fDB8MXxhbGx8fHx8fHx8fHwxNzE2MzYxNDcwfA&force=true";
           hash = "sha256-S0MumuBGJulUekoGI2oZfUa/50Jw0ZzkqDDu1nRkFUA=";
         };
-        base16Scheme = "${pkgs.base16-schemes}/share/themes/catppuccin-latte.yaml";
+        base16Scheme = "${inputs.tinted-schemes}/base16/catppuccin-latte.yaml";
         polarity = "light";
       }
       {
@@ -167,7 +167,7 @@ let
           url = "https://unsplash.com/photos/ZqLeQDjY6fY/download?ixid=M3wxMjA3fDB8MXxhbGx8fHx8fHx8fHwxNzE2MzY1NDY4fA&force=true";
           hash = "sha256-Dm/0nKiTFOzNtSiARnVg7zM0J1o+EuIdUQ3OAuasM58=";
         };
-        base16Scheme = "${pkgs.base16-schemes}/share/themes/catppuccin-macchiato.yaml";
+        base16Scheme = "${inputs.tinted-schemes}/base16/catppuccin-macchiato.yaml";
         polarity = "dark";
       }
     ];