diff --git a/containers/server-n0/git.nix b/containers/server-n0/git.nix
index 613254e..ce1cfba 100644
--- a/containers/server-n0/git.nix
+++ b/containers/server-n0/git.nix
@@ -158,6 +158,8 @@ in
             "flakes"
           ];
           max-jobs = "auto";
+          substituters = [ "https://microvm.cachix.org" ];
+          trusted-public-keys = [ "microvm.cachix.org-1:oXnBc6hRE3eX5rSYdRyMYXnfzcCxC7yKPTbZXALsqys=" ];
         };
 
         nix.gc = {