diff --git a/hosts/arashi/default.nix b/hosts/arashi/default.nix
index 8afd6f4..389f80f 100644
--- a/hosts/arashi/default.nix
+++ b/hosts/arashi/default.nix
@@ -15,4 +15,8 @@
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMd8j1+fC/ng7l17rsxugVtlhurUe1ICizwA9lQkSuNY forgejo"
     ];
   };
+  system = {
+    autoUpgrade.enable = false;
+    stateVersion = "23.05";
+  };
 }
diff --git a/hosts/common/system.nix b/hosts/common/system.nix
index 0176899..246729d 100644
--- a/hosts/common/system.nix
+++ b/hosts/common/system.nix
@@ -40,9 +40,4 @@
       DefaultTimeoutStopSec=5s
     '';
   };
-
-  system = {
-    autoUpgrade.enable = false;
-    stateVersion = "23.05"; # no touchy
-  };
 }
diff --git a/hosts/haru/default.nix b/hosts/haru/default.nix
index e278a60..6840093 100644
--- a/hosts/haru/default.nix
+++ b/hosts/haru/default.nix
@@ -15,4 +15,8 @@
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMd8j1+fC/ng7l17rsxugVtlhurUe1ICizwA9lQkSuNY forgejo"
     ];
   };
+  system = {
+    autoUpgrade.enable = false;
+    stateVersion = "23.05";
+  };
 }
diff --git a/hosts/kariru/default.nix b/hosts/kariru/default.nix
index 0ee01a2..0ae3fe5 100644
--- a/hosts/kariru/default.nix
+++ b/hosts/kariru/default.nix
@@ -15,4 +15,8 @@
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMd8j1+fC/ng7l17rsxugVtlhurUe1ICizwA9lQkSuNY forgejo"
     ];
   };
+  system = {
+    autoUpgrade.enable = false;
+    stateVersion = "23.05";
+  };
 }
diff --git a/hosts/sakura/default.nix b/hosts/sakura/default.nix
index 80b5d03..9209eeb 100644
--- a/hosts/sakura/default.nix
+++ b/hosts/sakura/default.nix
@@ -15,4 +15,8 @@ _: {
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMd8j1+fC/ng7l17rsxugVtlhurUe1ICizwA9lQkSuNY forgejo"
     ];
   };
+  system = {
+    autoUpgrade.enable = false;
+    stateVersion = "23.05";
+  };
 }
diff --git a/hosts/sora/default.nix b/hosts/sora/default.nix
index 6d7d729..bddbd0e 100644
--- a/hosts/sora/default.nix
+++ b/hosts/sora/default.nix
@@ -17,4 +17,8 @@ _: {
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMd8j1+fC/ng7l17rsxugVtlhurUe1ICizwA9lQkSuNY forgejo"
     ];
   };
+  system = {
+    autoUpgrade.enable = false;
+    stateVersion = "23.05";
+  };
 }
diff --git a/hosts/tsuki/default.nix b/hosts/tsuki/default.nix
index c91daf8..06c4a16 100755
--- a/hosts/tsuki/default.nix
+++ b/hosts/tsuki/default.nix
@@ -97,4 +97,9 @@
     zulu
     zulu17
   ];
+
+  system = {
+    autoUpgrade.enable = false;
+    stateVersion = "23.05";
+  };
 }
diff --git a/hosts/tsuru/default.nix b/hosts/tsuru/default.nix
index 7cde069..b8c8bbf 100644
--- a/hosts/tsuru/default.nix
+++ b/hosts/tsuru/default.nix
@@ -15,4 +15,8 @@
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMd8j1+fC/ng7l17rsxugVtlhurUe1ICizwA9lQkSuNY forgejo"
     ];
   };
+  system = {
+    autoUpgrade.enable = false;
+    stateVersion = "23.05";
+  };
 }
diff --git a/hosts/yuki/default.nix b/hosts/yuki/default.nix
index 529e6eb..5970eae 100644
--- a/hosts/yuki/default.nix
+++ b/hosts/yuki/default.nix
@@ -15,4 +15,8 @@
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMd8j1+fC/ng7l17rsxugVtlhurUe1ICizwA9lQkSuNY forgejo"
     ];
   };
+  system = {
+    autoUpgrade.enable = false;
+    stateVersion = "23.05";
+  };
 }