diff --git a/profiles/nix-community.nix b/profiles/nix-community.nix
index a5fde36..7ab6068 100644
--- a/profiles/nix-community.nix
+++ b/profiles/nix-community.nix
@@ -1,6 +1,10 @@
 # Use the Nix community aarch64 server as a build server
 # https://github.com/nix-community/aarch64-build-box
 {
+  programs.ssh.knownHosts."aarch64.nixos.community" = {
+    publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMUTz5i9u5H2FHNAmZJyoJfIGyUm/HfGhfwnc142L3ds";
+  };
+
   nix = {
     distributedBuilds = true;
     buildMachines = [