diff --git a/README.md b/README.md
index d835d1e..e881caa 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,29 @@ Add the repo's overlay in your NixOS configuration, this will expose the package
 
 Then specify `pkgs.cachyosKernels.linuxPackages-cachyos-latest` (or other variants you'd like) in your `boot.kernelPackages` option.
 
+
+### Binary cache
+
+I'm running a Hydra CI to build the kernels and push them to my Attic binary cache. You can see the build status here: <https://hydra.lantian.pub/jobset/lantian/nix-cachyos-kernel>
+
+To use my binary cache, please add the following config:
+
+```nix
+{
+  nix.settings.substituters = [ "https://attic.xuyh0120.win/lantian" ];
+  nix.settings.trusted-public-keys = [ "lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc=" ];
+}
+```
+
+This repo also has [Garnix CI](https://garnix.io) set up, and should work as long as the total build time is below the free plan threshold:
+
+```nix
+{
+  nix.settings.substituters = [ "https://cache.garnix.io" ];
+  nix.settings.trusted-public-keys = [ "cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g=" ];
+}
+```
+
 ### Example configuration
 
 ```nix
@@ -71,6 +94,11 @@ Then specify `pkgs.cachyosKernels.linuxPackages-cachyos-latest` (or other varian
         {
           nixpkgs.overlays = [ self.overlay ];
           boot.kernelPackages = pkgs.cachyosKernels.linuxPackages-cachyos-latest;
+
+          # Binary cache
+          nix.settings.substituters = [ "https://attic.xuyh0120.win/lantian" ];
+          nix.settings.trusted-public-keys = [ "lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc=" ];
+
           # ... your other configs
         }
       )
@@ -78,7 +106,6 @@ Then specify `pkgs.cachyosKernels.linuxPackages-cachyos-latest` (or other varian
   };
 }
 ```
-
 ### Help! My kernel is failing to build!
 
 In most cases, failing to build a kernel is caused by CachyOS not updating patches for the latest kernel version. (e.g. hardened 6.18 kernel as of 2025-12-12)