diff --git a/common/nix.nix b/common/nix.nix
index b6362a3..da49b67 100644
--- a/common/nix.nix
+++ b/common/nix.nix
@@ -20,7 +20,7 @@
         # Workaround for https://github.com/NixOS/nix/issues/9574
         nix-path = config.nix.nixPath;
         substituters = [
-          "https://cache.nixos.org/"
+          "https://cache-nixos-org.aarn.patagia.net/"
         ];
         trusted-public-keys = [ "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=" ];
         extra-substituters = [
diff --git a/flake.nix b/flake.nix
index 848f99f..c200102 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,7 @@
 
   nixConfig = {
     substituters = [
-      "https://cache.nixos.org/"
+      "https://cache-nixos-org.aarn.patagia.net/"
     ];
     extra-substituters = [
       "https://nix-community.cachix.org"