diff --git a/systems/x86_64-linux/x1/default.nix b/systems/x86_64-linux/x1/default.nix
index 8c67e36..b4d1e4a 100644
--- a/systems/x86_64-linux/x1/default.nix
+++ b/systems/x86_64-linux/x1/default.nix
@@ -16,6 +16,9 @@ with lib.metacfg;
     22000
   ];
 
+  programs.ccache.enable = true;
+  nix.settings.extra-sandbox-paths = [ config.programs.ccache.cacheDir ];
+
   services.tailscale.enable = true;
 
   services.cratedocs-mcp.enable = true;