diff --git a/configuration.nix b/configuration.nix
index 2bab3cf..037103a 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -137,5 +137,14 @@
   boot.supportedFilesystems = [ "btrfs" ];
 
   nixpkgs.overlays = import ./overlays;
+
+  nix = {
+    binaryCaches = [
+      "https://alarsyo.cachix.org"
+    ];
+    binaryCachePublicKeys = [
+      "alarsyo.cachix.org-1:A6BmcaJek5+ZDWWv3fPteHhPm6U8liS9CbDbmegPfmk="
+    ];
+  };
 }