diff --git a/infra/flake-part.nix b/infra/flake-part.nix
index 9926af6..de0dc33 100644
--- a/infra/flake-part.nix
+++ b/infra/flake-part.nix
@@ -1,4 +1,4 @@
-{ inputs, ... }:
+{ self, inputs, ... }:
 
 {
   nixops4Deployments.git =
@@ -13,7 +13,7 @@
           ssh = {
             host = "185.206.232.34";
             opts = "";
-            hostPublicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILriawl1za2jbxzelkL5v8KPmcvuj7xVBgwFxuM/zhYr";
+            hostPublicKey = self.keys.systems.vm02116;
           };
           nixpkgs = inputs.nixpkgs;
           nixos.module = {
@@ -30,7 +30,7 @@
           ssh = {
             host = "185.206.232.179";
             opts = "";
-            hostPublicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPAsOCOsJ0vNL9fGj0XC25ir8B+k2NlVJzsiVUx+0eWM";
+            hostPublicKey = self.keys.systems.vm02179;
           };
           nixpkgs = inputs.nixpkgs;
           nixos.module = {
@@ -47,7 +47,7 @@
           ssh = {
             host = "185.206.232.186";
             opts = "";
-            hostPublicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII6mnBgEeyYE4tzHeFNHVNBV6KR+hAqh3PYSqlh0QViW";
+            hostPublicKey = self.keys.systems.vm02186;
           };
           nixpkgs = inputs.nixpkgs;
           nixos.module = {
@@ -72,7 +72,7 @@
           ssh = {
             host = "185.206.232.187";
             opts = "";
-            hostPublicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN24ZfdQNklKkIqfMg/+0vqENuDcy6fhT6SfAq01ae83";
+            hostPublicKey = self.keys.systems.vm02187;
           };
           nixpkgs = inputs.nixpkgs;
           nixos.module = {
diff --git a/keys/systems/vm02187 b/keys/systems/vm02187
new file mode 100644
index 0000000..b79a78f
--- /dev/null
+++ b/keys/systems/vm02187
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN24ZfdQNklKkIqfMg/+0vqENuDcy6fhT6SfAq01ae83