diff --git a/configuration/common/default.nix b/configuration/common/default.nix
index 28173b2..fbfb67b 100644
--- a/configuration/common/default.nix
+++ b/configuration/common/default.nix
@@ -82,7 +82,15 @@
     acceptTerms = true;
   };
 
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix.settings = {
+    experimental-features = [ "nix-command" "flakes" ];
+    substituters = [
+      "https://nix-cache.clerie.de"
+    ];
+    trusted-public-keys = [
+      "nix-cache.clerie.de:bAt1GJTS9BOTcXFWj3nURrSlcjqikCev9yDvqArMP5g="
+    ];
+  };
 
   nixpkgs.overlays = [
     (import ../../pkgs/overlay.nix)