diff --git a/lass/2configs/binary-cache/client.nix b/lass/2configs/binary-cache/client.nix
index 108ff7a1e..9dba5fbfb 100644
--- a/lass/2configs/binary-cache/client.nix
+++ b/lass/2configs/binary-cache/client.nix
@@ -2,8 +2,14 @@
 
 {
   nix = {
-    binaryCaches = ["http://cache.prism.r"];
-    binaryCachePublicKeys = ["cache.prism-1:+S+6Lo/n27XEtvdlQKuJIcb1yO5NUqUCE2lolmTgNJU="];
+    binaryCaches = [
+      "http://cache.prism.r"
+      "https://cache.nixos.org/"
+    ];
+    binaryCachePublicKeys = [
+      "cache.prism-1:+S+6Lo/n27XEtvdlQKuJIcb1yO5NUqUCE2lolmTgNJU="
+      "hydra.nixos.org-1:CNHJZBh9K4tP3EKF6FkkgeVYsS3ohTl+oS0Qa8bezVs="
+    ];
   };
 }