diff --git a/configuration.nix b/configuration.nix
index 6657d8a..fc8365f 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -78,6 +78,7 @@
     "# Completely remove remnants of NIXOS_LUSTRATE."
     "R! /old-root"
   ];
+  system.stateVersion = config.selfprivacy.stateVersion;
   system.autoUpgrade = {
     enable = config.selfprivacy.autoUpgrade.enable;
     allowReboot = config.selfprivacy.autoUpgrade.allowReboot;
diff --git a/selfprivacy-module.nix b/selfprivacy-module.nix
index a7d1c36..268153a 100644
--- a/selfprivacy-module.nix
+++ b/selfprivacy-module.nix
@@ -34,6 +34,10 @@ with lib;
         type = types.nullOr types.bool;
       };
     };
+    stateVersion = mkOption {
+      description = "State version of the server";
+      type = types.str;
+    };
     ########################
     # Server admin options #
     ########################