diff --git a/system/nix.nix b/system/nix.nix
index a2616d5..7536987 100644
--- a/system/nix.nix
+++ b/system/nix.nix
@@ -14,7 +14,10 @@
     options = "--delete-older-than 30d";
   };
 
-  nix.binaryCaches = [ "https://nixcache.reflex-frp.org" ];
-  nix.binaryCachePublicKeys =
-    [ "ryantrinkle.com-1:JJiAKaRv9mWgpVAz8dwewnZe0AzzEAzPkagE9SP5NWI=" ];
+  nix.binaryCaches =
+    [ "https://hydra.iohk.io" "https://nixcache.reflex-frp.org" ];
+  nix.binaryCachePublicKeys = [
+    "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
+    "ryantrinkle.com-1:JJiAKaRv9mWgpVAz8dwewnZe0AzzEAzPkagE9SP5NWI="
+  ];
 }