diff --git a/nix/glasgow/configuration.nix b/nix/glasgow/configuration.nix
index 7a40878..1454581 100644
--- a/nix/glasgow/configuration.nix
+++ b/nix/glasgow/configuration.nix
@@ -62,11 +62,13 @@
     packages = with pkgs; [
       tree
     ];
-    openssh.authorizedKeys.keys = [
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILIztwQxt+jqroFONSgq+xzPMuE2I5Dq/zWPQ8RcTYJr"
-      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAICCc6k8tl2ahB3HtjpGK403Wkk+nQKgIhSgdBXxmXdsEAAAABHNzaDo="
-      "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMO7u+6hBN3XJfRFZCxADyLJfI8zGO2pj9AxkF0FecSR8GFuzP77wyUzmHosQcxe/P/N1TeNdfIDCatogqft9w4="
-    ];
+    openssh.authorizedKeys.keys = let
+      authorizedKeys = pkgs.fetchurl {
+        url = "https://gmem.ca/ssh";
+        hash = "sha256-7PpFDgWVfp26c9PuW+2s3O8MBAODtHr4q7WU/l3BoG4=";
+      };
+    in pkgs.lib.splitString "\n" (builtins.readFile
+      authorizedKeys);
   };
 
   environment.systemPackages = with pkgs; [
diff --git a/nix/seattle/configuration.nix b/nix/seattle/configuration.nix
index 58426eb..00a4f0a 100644
--- a/nix/seattle/configuration.nix
+++ b/nix/seattle/configuration.nix
@@ -61,11 +61,13 @@
     packages = with pkgs; [
       tree
     ];
-    openssh.authorizedKeys.keys = [
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILIztwQxt+jqroFONSgq+xzPMuE2I5Dq/zWPQ8RcTYJr"
-      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAICCc6k8tl2ahB3HtjpGK403Wkk+nQKgIhSgdBXxmXdsEAAAABHNzaDo="
-      "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMO7u+6hBN3XJfRFZCxADyLJfI8zGO2pj9AxkF0FecSR8GFuzP77wyUzmHosQcxe/P/N1TeNdfIDCatogqft9w4="
-    ];
+    openssh.authorizedKeys.keys = let
+      authorizedKeys = pkgs.fetchurl {
+        url = "https://gmem.ca/ssh";
+        hash = "sha256-7PpFDgWVfp26c9PuW+2s3O8MBAODtHr4q7WU/l3BoG4=";
+      };
+    in pkgs.lib.splitString "\n" (builtins.readFile
+      authorizedKeys);
   };
 
   environment.systemPackages = with pkgs; [