diff --git a/nixos/common/modules/hosts.nix b/nixos/common/modules/hosts.nix
index fa39b49a..cb317b58 100644
--- a/nixos/common/modules/hosts.nix
+++ b/nixos/common/modules/hosts.nix
@@ -1,5 +1,6 @@
 { ... }:  {
   networking.extraHosts = builtins.readFile(builtins.fetchurl {
     url = "https://github.com/blocklistproject/Lists/raw/master/everything.txt";
+    sha256 = "78d393a897656c92bb0c96ff79fc99205830ce0c2a66abe33ae333ad11a8b0c5";
   });
 }