diff --git a/hosts/containers/deployer/configuration.nix b/hosts/containers/deployer/configuration.nix
index 602b52a4..3f73d06a 100644
--- a/hosts/containers/deployer/configuration.nix
+++ b/hosts/containers/deployer/configuration.nix
@@ -60,8 +60,11 @@
     permitRootLogin = "yes";
   };
 
-  nix.buildCores = 32;
-  nix.maxJobs = 32;
+  nix = {
+    buildCores = 32;
+    maxJobs = 32;
+    autoOptimiseStore = true;
+  };
 
   users.extraUsers.k-ot = {
      isNormalUser = true;