diff --git a/modules/nix-common/default.nix b/modules/nix-common/default.nix
index 4187c9d..8834a30 100644
--- a/modules/nix-common/default.nix
+++ b/modules/nix-common/default.nix
@@ -28,10 +28,12 @@ in
         allowed-users = [ "root" ];
         substituters = [
           "https://nix-community.cachix.org"
+          "https://marcus7070.cachix.org"
         ];
 
         trusted-public-keys = [
           "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+          "marcus7070.cachix.org-1:JawxHSgnYsgNYJmNqZwvLjI4NcOwrcEZDToWlT3WwXw="
         ];
       };