diff --git a/flake.nix b/flake.nix
index 741669f9..9259635b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -79,9 +79,10 @@
 
         # Set several binary caches.
         nix = {
-          binaryCaches = [ "https://nix-community.cachix.org" ];
+          binaryCaches = [ "https://nix-community.cachix.org" "https://foo-dogsquared.cachix.org" ];
           binaryCachePublicKeys = [
             "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+            "foo-dogsquared.cachix.org-1:/2fmqn/gLGvCs5EDeQmqwtus02TUmGy0ZlAEXqRE70E="
           ];
         };